{"id":1286,"date":"2026-11-13T00:00:19","date_gmt":"2026-11-13T00:00:19","guid":{"rendered":"https:\/\/www.chinakingtyre.com\/?p=1286"},"modified":"2026-11-13T00:12:56","modified_gmt":"2026-11-13T00:12:56","slug":"kingtyre-k06-semi-slick-tires-guide","status":"publish","type":"post","link":"https:\/\/www.chinakingtyre.com\/da\/kingtyre-k06-semi-slick-tires-guide\/","title":{"rendered":"K06 Semi Slick Tires: The Complete 2026 Guide to KingTyre&#8217;s Street-Legal Track Tyre"},"content":{"rendered":"<p><script>\n(function () {\n  var id = 'kingtyre-table-style-1286';\n  var stale = document.querySelectorAll('style[data-kt-table-style=\"' + id + '\"]');\n  for (var i = 0; i < stale.length; i++) {\n    if (stale[i].parentNode) { stale[i].parentNode.removeChild(stale[i]); }\n  }\n})();\n<\/script><\/p>\n<style id=\"kingtyre-table-style-1286\" data-kt-table-style=\"kingtyre-table-style-1286\">\nbody.postid-1286 .bde-rich-text .kt-table-scroll {\n  margin: 30px 0;\n  overflow-x: auto;\n  border: 1px solid #dbe2ea;\n  border-radius: 12px;\n  background: #ffffff;\n  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.07);\n  -webkit-overflow-scrolling: touch;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll table {\n  width: 100%;\n  min-width: 680px;\n  margin: 0;\n  border-collapse: separate;\n  border-spacing: 0;\n  background: #ffffff;\n  font-size: 15px;\n  line-height: 1.6;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll thead th {\n  padding: 15px 18px;\n  background: #172033;\n  color: #ffffff;\n  border: 0;\n  border-right: 1px solid rgba(255, 255, 255, 0.12);\n  text-align: left;\n  font-weight: 700;\n  letter-spacing: 0.01em;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll thead th:last-child {\n  border-right: 0;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll tbody td {\n  padding: 15px 18px;\n  border-top: 1px solid #e5eaf0;\n  border-right: 1px solid #edf1f5;\n  color: #374151;\n  vertical-align: top;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll tbody td:last-child {\n  border-right: 0;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll tbody tr:nth-child(even) td {\n  background: #f8fafc;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll tbody tr:hover td {\n  background: #f1f5f9;\n}\nbody.postid-1286 .bde-rich-text .kt-table-scroll tbody td:first-child {\n  width: 30%;\n  color: #111827;\n  font-weight: 600;\n}\n@media (max-width: 767px) {\n  body.postid-1286 .bde-rich-text .kt-table-scroll {\n    margin: 22px 0;\n    border-radius: 10px;\n  }\n  body.postid-1286 .bde-rich-text .kt-table-scroll table {\n    min-width: 620px;\n    font-size: 14px;\n  }\n  body.postid-1286 .bde-rich-text .kt-table-scroll thead th,\n  body.postid-1286 .bde-rich-text .kt-table-scroll tbody td {\n    padding: 12px 14px;\n  }\n}\n<\/style>\n<blockquote>\n<p><strong>Quick answer:<\/strong> The KingTyre K06 is an ECE-certified, street-legal semi slick racing tyre on a radial carcass with a ZR speed rating (240 km\/h and above). It is produced in four compounds \u2014 hard, medium, soft and ultra soft \u2014 across ten 17-inch sizes, and it sits in KingTyre's race-derived road-and-track line rather than in the track-only slick category.<\/p>\n<\/blockquote>\n<blockquote>\n<p><strong>Last updated:<\/strong> November 13, 2026. Written and reviewed by the KingTyre technical team. Compound, certification, size, rim-width and pressure figures come from the current KingTyre K06 product page and KingTyre's official race tyre specification sheet; company figures come from the KingTyre about page. Where KingTyre has not published a figure, this guide says so rather than estimating it.<\/p>\n<\/blockquote>\n<hr \/>\n<h2>What is the KingTyre K06 semi slick tire?<\/h2>\n<p><strong>The KingTyre K06 is a street-legal semi slick tyre that behaves like a racing tyre without giving up road legality.<\/strong> A semi slick tread keeps an almost continuous contact patch across the centre of the tyre and cuts only a few shallow grooves into it, so most of the rubber stays on the road at any lean angle. Those grooves are the whole point of the design: they disperse water and give the tyre a measurable margin in damp conditions, while the large stiff rubber area around them delivers the high-grip surface a track rider needs.<\/p>\n<p>The K06 is deliberately <strong>not<\/strong> a full slick. Race-only slicks such as the <a href=\"\/da\/product\/kingtyre-k00-motorcycle-slick-tires\/\">KingTyre K00<\/a> carry the NHS marking \u2014 not for highway service \u2014 and cannot legally be run on public roads. The K06 is the road-legal alternative: the same four-compound logic, the same race-derived construction, plus ECE certification and shallow shoulder grooves that make it usable between track sessions. If you are still weighing tread types, our <a href=\"\/da\/what-is-the-difference-between-slick-and-semi-slick-tires\/\">semi slick vs full slick comparison<\/a> explains the engineering trade-off in full.<\/p>\n<p>Riders normally arrive at the K06 after hitting one of four recurring problems with ordinary tyres:<\/p>\n<ul>\n<li>Road-legal sport tyres that feel vague and give up grip as soon as the track heats up.<\/li>\n<li>Full racing slicks that cannot legally be ridden to the circuit.<\/li>\n<li>Hard-compound track tyres that overheat in the middle temperature range and slide instead of gripping.<\/li>\n<li>Tyres that wear out in a single track session and cost more per lap than they save.<\/li>\n<\/ul>\n<p>The K06 answers all four: four compounds to match the surface temperature, ECE approval so the tyre is legal between sessions, and a stiff radial carcass with reinforced sidewalls that holds its shape through a full day of track use.<\/p>\n<hr \/>\n<h2>KingTyre K06 semi slick tires at a glance<\/h2>\n<p>The table below is the fastest way to see what the K06 actually is. Every row is taken from KingTyre's published K06 product data and the company's official race tyre specification sheet.<\/p>\n<div class=\"kt-table-scroll\">\n<table>\n<thead>\n<tr>\n<th><strong>Specifikation<\/strong><\/th>\n<th><strong>KingTyre K06<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tread type<\/td>\n<td>Semi slick with minimal grooves and rain-resistant shoulder treads<\/td>\n<\/tr>\n<tr>\n<td>Certificering<\/td>\n<td>ECE certified \u2014 legal for public road use<\/td>\n<\/tr>\n<tr>\n<td>Speed rating<\/td>\n<td>ZR \u2014 certified for speeds above 240 km\/h<\/td>\n<\/tr>\n<tr>\n<td>Konstruktion<\/td>\n<td>Radial, carbon-reinforced sidewalls, reinforced carcass<\/td>\n<\/tr>\n<tr>\n<td>Compounds available<\/td>\n<td>4 \u2014 hard, medium, soft, ultra soft<\/td>\n<\/tr>\n<tr>\n<td>Published sizes<\/td>\n<td>10 sizes on 17-inch wheels \u2014 2 front fitments, 9 rear fitments<\/td>\n<\/tr>\n<tr>\n<td>Front sizes<\/td>\n<td>110\/70ZR17, 120\/70ZR17<\/td>\n<\/tr>\n<tr>\n<td>Rear sizes<\/td>\n<td>120\/70ZR17, 140\/70ZR17, 150\/60ZR17, 160\/60ZR17, 180\/55ZR17, 180\/60ZR17, 190\/55ZR17, 200\/55ZR17, 200\/60ZR17<\/td>\n<\/tr>\n<tr>\n<td>Official warming spec<\/td>\n<td>60 minutes at 80&ndash;90&deg;C<\/td>\n<\/tr>\n<tr>\n<td>Wear indicators<\/td>\n<td>Two wear bars per tyre<\/td>\n<\/tr>\n<tr>\n<td>Product category<\/td>\n<td>Racing Slicks \/ Super Sport Tyres<\/td>\n<\/tr>\n<tr>\n<td>Reference SKU<\/td>\n<td>KT-K06<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Behind those numbers is a factory that builds the K06 on the same lines as its race tyres. KingTyre uses automated curing systems, precision CNC mould engineering and ISO 9001-certified processes, and its computer-aided compound distribution system controls rubber density so that heat dissipation and wear rate stay consistent across a production run. The compound development data comes from track day testing and from racing teams across Asia and Europe.<\/p>\n<p><figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.chinakingtyre.com\/wp-content\/uploads\/2025\/08\/kingtyre-k06-tread-compounds.jpg\" alt=\"Kingtyre K06 semislick-d\u00e6k med fire forskellige slidbaneblandinger (h\u00e5rd, medium, bl\u00f8d, ultrabl\u00f8d)\" loading=\"lazy\"\/><figcaption>Kingtyre K06 semislick-d\u00e6k med fire forskellige slidbaneblandinger (h\u00e5rd, medium, bl\u00f8d, ultrabl\u00f8d)<\/figcaption><\/figure>\n<\/p>\n<p>The four-compound system is the K06's single most important commercial feature for a distributor or a race team, because one tyre family then covers a cold-morning sprint and a hot afternoon endurance race without changing supplier.<\/p>\n<hr \/>\n<h2>The four K06 compounds: hard, medium, soft and ultra soft<\/h2>\n<p><strong>The K06's four compounds exist because one rubber cannot cover a 40\u00b0C track and a 120\u00b0C track.<\/strong> KingTyre publishes a surface-temperature window for two of them: the soft compound is stable from 40\u00b0C to 85\u00b0C, and the hard compound holds up to 120\u00b0C. The medium and ultra soft compounds sit between those two duties, and KingTyre does not publish a fixed temperature band for them \u2014 treat them as the all-round and the maximum-grip options rather than as a temperature-graded series.<\/p>\n<div class=\"kt-table-scroll\">\n<table>\n<thead>\n<tr>\n<th><strong>Sammensat<\/strong><\/th>\n<th><strong>Best used for<\/strong><\/th>\n<th><strong>Published temperature data<\/strong><\/th>\n<th><strong>What to expect<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>H\u00e5rd<\/td>\n<td>Endurance sessions and hot tracks<\/td>\n<td>Stable up to 120&deg;C<\/td>\n<td>Longest life of the four, slowest to warm up, forgiving when the track is above 90&deg;C<\/td>\n<\/tr>\n<tr>\n<td>Medium<\/td>\n<td>Mixed track days and road-and-track use<\/td>\n<td>Not separately published<\/td>\n<td>Balanced grip and life; the safe default when the track temperature is unknown<\/td>\n<\/tr>\n<tr>\n<td>Bl\u00f8d<\/td>\n<td>Cool-morning sprints and qualifying<\/td>\n<td>Stable from 40&deg;C to 85&deg;C<\/td>\n<td>High mechanical grip, faster to reach working temperature, shorter life<\/td>\n<\/tr>\n<tr>\n<td>Ultra soft<\/td>\n<td>Maximum grip in short bursts<\/td>\n<td>Not separately published<\/td>\n<td>Peak grip and the sharpest turn-in, but the shortest service life of the four<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>KingTyre's own selection rule is short and practical: choose soft for cold tracks and sprint races, and hard for endurance and high-temperature tracks. Rider style and session length matter just as much as temperature \u2014 a rider who drags the rear tyre out of slow corners will get more from a hard compound, while a rider who carries corner speed will get more from a softer one.<\/p>\n<hr \/>\n<h2>Every published K06 size, and how it fits<\/h2>\n<p><strong>All ten K06 sizes are 17-inch ZR radials, which means the tyre fits the wheel widths that sport and superbike machinery actually uses.<\/strong> The front range runs from 110\/70ZR17 to 120\/70ZR17 and the rear range from 120\/70ZR17 up to 200\/60ZR17, so a K06 package can be built for anything from a 600-class sportbike to a litre superbike.<\/p>\n<div class=\"kt-table-scroll\">\n<table>\n<thead>\n<tr>\n<th><strong>St\u00f8rrelse<\/strong><\/th>\n<th><strong>Position<\/strong><\/th>\n<th><strong>Measured rim<\/strong><\/th>\n<th><strong>Approved rim widths<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>110\/70ZR17<\/td>\n<td>P\u00e5 forsiden<\/td>\n<td>MT3.00<\/td>\n<td>3.00&ndash;3.50 in<\/td>\n<\/tr>\n<tr>\n<td>120\/70ZR17<\/td>\n<td>Front \/ rear<\/td>\n<td>MT3.50<\/td>\n<td>3.50&ndash;3.75 in<\/td>\n<\/tr>\n<tr>\n<td>140\/70ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT3.75<\/td>\n<td>3.50&ndash;4.00 in<\/td>\n<\/tr>\n<tr>\n<td>150\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT4.25<\/td>\n<td>4.00&ndash;4.50 in<\/td>\n<\/tr>\n<tr>\n<td>160\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT4.50<\/td>\n<td>4.25&ndash;5.00 in<\/td>\n<\/tr>\n<tr>\n<td>180\/55ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT5.50<\/td>\n<td>5.50&ndash;6.00 in<\/td>\n<\/tr>\n<tr>\n<td>180\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT5.00<\/td>\n<td>5.00&ndash;5.50 in<\/td>\n<\/tr>\n<tr>\n<td>190\/55ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT6.00<\/td>\n<td>5.50&ndash;6.00 in<\/td>\n<\/tr>\n<tr>\n<td>200\/55ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>MT6.25<\/td>\n<td>6.00&ndash;6.25 in<\/td>\n<\/tr>\n<tr>\n<td>200\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>Not published<\/td>\n<td>Not published<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>One honest caveat: the 200\/60ZR17 rear appears on the KingTyre K06 product page, but it is <strong>not<\/strong> listed in KingTyre's official race tyre specification sheet, so its measured rim width, approved rim range and pressures are not published by the factory. If you plan to build a set around that size, ask KingTyre for the fitment and pressure data for your exact wheel width rather than guessing.<\/p>\n<p><figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.chinakingtyre.com\/wp-content\/uploads\/2025\/08\/kingtyre-k06-available-sizes.jpg\" alt=\"Kingtyre K06 semi slick d\u00e6kst\u00f8rrelse til montering p\u00e5 motorcykler foran og bagp\u00e5\" loading=\"lazy\"\/><figcaption>Kingtyre K06 semi slick d\u00e6kst\u00f8rrelse til montering p\u00e5 motorcykler foran og bagp\u00e5<\/figcaption><\/figure>\n<\/p>\n<p>The same size logic applies across the whole 17-inch tyre category \u2014 our <a href=\"\/da\/17-inch-motorcycle-tires\/\">17-inch motorcycle tyre guide<\/a> covers how rim width, aspect ratio and load rating interact when you are matching a tyre to a machine.<\/p>\n<hr \/>\n<h2>Rim width and tire pressure: the official KingTyre race specification<\/h2>\n<p><strong>These are the numbers to start from, straight out of KingTyre's own race tyre specification sheet for the K06 line.<\/strong> Pressures are given cold, with the hot figure measured straight out of the warmers, exactly as a rider would read them in the pit lane.<\/p>\n<div class=\"kt-table-scroll\">\n<table>\n<thead>\n<tr>\n<th><strong>Tyre size<\/strong><\/th>\n<th><strong>Fitment<\/strong><\/th>\n<th><strong>Cold pressure<\/strong><\/th>\n<th><strong>Hot straight out of warmers<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>110\/70ZR17<\/td>\n<td>P\u00e5 forsiden<\/td>\n<td>2.2 bar (32 psi)<\/td>\n<td>2.4 bar (35 psi)<\/td>\n<\/tr>\n<tr>\n<td>120\/70ZR17<\/td>\n<td>P\u00e5 forsiden<\/td>\n<td>2.2 bar (32 psi)<\/td>\n<td>2.4 bar (35 psi)<\/td>\n<\/tr>\n<tr>\n<td>140\/70ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<tr>\n<td>150\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<tr>\n<td>160\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<tr>\n<td>180\/55ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<tr>\n<td>180\/60ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<tr>\n<td>190\/55ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<tr>\n<td>200\/55ZR17<\/td>\n<td>Bagsiden<\/td>\n<td>1.6 bar (23 psi)<\/td>\n<td>1.8 bar (26 psi)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>KingTyre's own footnote on that sheet is the part most riders skip, and it matters: optimal hot pressures on track vary with rider style, rider weight, track surface and temperature, and suspension set-up. KingTyre recommends checking hot pressures in the pit lane directly after a few laps and making small adjustments if necessary. The published figures are a starting point, not a setting to run all season.<\/p>\n<p>For <strong>street riding<\/strong>, KingTyre's K06 product page recommends starting at <strong>32 psi front and 34 psi rear<\/strong>, adjusted for load and rider weight. That is deliberately higher than the race figures above, because public-road riding loads the tyre in a completely different way and because low track pressures are not appropriate for road use.<\/p>\n<p>The warming specification for the K06 line is <strong>60 minutes at 80\u201390\u00b0C<\/strong>. For a deeper look at pressure technique in general, see <a href=\"\/da\/what-is-the-best-tire-pressure-for-racing-slicks\/\">what is the best tire pressure for racing slicks<\/a>.<\/p>\n<hr \/>\n<h2>Choosing a K06 compound for your track and your rider<\/h2>\n<p>Choosing the right compound is a four-step decision, and getting it wrong costs a whole session.<\/p>\n<ol>\n<li><strong>Start with track temperature.<\/strong> If the surface is below 45\u00b0C, use a soft or ultra soft compound. Between 45\u00b0C and 80\u00b0C, use medium or soft. Above 80\u00b0C, move to hard, because a soft tyre will overheat, blister and fall off its grip window.<\/li>\n<li><strong>Match the compound to the session length.<\/strong> A 20-minute sprint wants the softest compound you can run. A multi-hour endurance day wants hard, where the compound survives the heat soak that soft compounds cannot.<\/li>\n<li><strong>Match the compound to your riding style.<\/strong> A rider who carries corner speed and uses the lean angle of the bike benefits from a softer compound. A rider who rotates the bike hard on the throttle and wears the rear in slow corners will get more life and more consistency from hard or medium.<\/li>\n<li><strong>Check what the session actually taught you.<\/strong> A compound that is not in its window will show you quickly \u2014 graining, heavy wear on one edge, or a rear that steps out under power. Move one step up or one step down and re-test rather than changing rider technique to compensate for the wrong rubber.<\/li>\n<li><strong>Keep the set consistent.<\/strong> Changing compounds between the front and the rear, or mixing a set that has been used in different sessions, makes the bike harder to trust. If you run a mixed set for a one-off session, do it deliberately and re-check your pressures afterwards.<\/li>\n<\/ol>\n<div class=\"kt-table-scroll\">\n<table>\n<thead>\n<tr>\n<th><strong>Scenario<\/strong><\/th>\n<th><strong>Recommended compound<\/strong><\/th>\n<th><strong>Why<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cold morning track, 20&ndash;30 minute sessions<\/td>\n<td>Soft or ultra soft<\/td>\n<td>Soft compounds reach their working window quickest and give the most mechanical grip while the track is still cold<\/td>\n<\/tr>\n<tr>\n<td>Mid-range track temperature, mixed use<\/td>\n<td>Medium<\/td>\n<td>Holds a usable grip window across a wide temperature range and doubles as a road tyre between sessions<\/td>\n<\/tr>\n<tr>\n<td>Hot track above 90&deg;C surface temperature<\/td>\n<td>H\u00e5rd<\/td>\n<td>Resists thermal overload, gives consistent lap times over a long session and lasts longest<\/td>\n<\/tr>\n<tr>\n<td>Road riding between track days<\/td>\n<td>Medium or hard<\/td>\n<td>Lower wear rate on asphalt and a much longer road life than the soft and ultra soft compounds<\/td>\n<\/tr>\n<tr>\n<td>Endurance race or long race day<\/td>\n<td>H\u00e5rd<\/td>\n<td>Survives the heat soak that soft and ultra soft compounds cannot<\/td>\n<\/tr>\n<tr>\n<td>Qualifying lap on a cold track<\/td>\n<td>Ultra soft<\/td>\n<td>Maximum grip for a single flying lap, accepting the shortest possible service life<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h2>Is the KingTyre K06 street legal?<\/h2>\n<p><strong>Yes \u2014 the K06 is ECE certified, which is what makes it legal to ride on public roads.<\/strong> This is the single most important difference between the K06 and a race slick such as the K00, and it is also the reason the K06 exists as a separate product line. For the wider legal picture, our <a href=\"\/da\/are-slick-motorcycle-tires-street-legal\/\">country-by-country guide to slick street legality<\/a> explains which markets permit what.<\/p>\n<p>Here is what the certification actually means for a rider or an importer:<\/p>\n<ul>\n<li><strong>ECE certified.<\/strong> The K06 passes ECE R75 approval, the European motorcycle tyre standard. That certification is what allows the tyre to be registered and ridden on public roads across Europe, and it is what many Asian markets align to.<\/li>\n<li><strong>ZR speed rating.<\/strong> Every K06 size carries the ZR designation, which certifies the tyre for speeds above 240 km\/h.<\/li>\n<li><strong>Not a track-only tyre.<\/strong> Unlike the NHS-marked K00 slick and the K01 rain tyre, the K06 carries no NHS restriction, so it can be ridden to and from the circuit.<\/li>\n<\/ul>\n<p>Two caveats worth stating plainly. First, approval is per size and per construction \u2014 if you change the size or the rim width away from the published combination, the certification no longer applies to what you have fitted. Second, road rules still apply: tread depth, wear and the limits of the tyre's own construction are the rider's responsibility in every market.<\/p>\n<p>For the regulatory detail behind these marks, our <a href=\"\/da\/ece-r75-vs-dot-fmvss-119-motorcycle-tire-comparison\/\">ECE R75 vs DOT FMVSS 119 comparison<\/a> og <a href=\"\/da\/dot-ece-daek-koder-forklaret-hvad-enhver-rytter-har-brug-for-at-vide\/\">DOT\/ECE tyre codes explained<\/a> guides cover what each standard tests and how the markings differ.<\/p>\n<p><strong>In the wet<\/strong>, the K06's shallow grooves and rain-resistant shoulder treads give it a genuine margin over a full slick, but it is still a semi slick. KingTyre's own guidance is to use the K06 in dry or slightly damp conditions and to treat standing water as outside its design envelope.<\/p>\n<hr \/>\n<h2>K06 vs K905 Semi Slick vs K97 Super Motard vs K00 slick<\/h2>\n<p><strong>The K06 is the closest thing KingTyre makes to a road-legal track tyre, but it is not the only semi slick in the range \u2014 and the difference matters.<\/strong> Riders and distributors regularly confuse the K06, the K905 Semi Slick and the K97 Super Motard, then order the wrong tyre. This table separates them.<\/p>\n<div class=\"kt-table-scroll\">\n<table>\n<thead>\n<tr>\n<th><strong>Model<\/strong><\/th>\n<th><strong>Tread<\/strong><\/th>\n<th><strong>Certificering<\/strong><\/th>\n<th><strong>Compounds<\/strong><\/th>\n<th><strong>Where it fits<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>K06 Semi Slick<\/strong><\/td>\n<td>Semi slick with rain-resistant shoulders<\/td>\n<td>ECE<\/td>\n<td>H\u00e5rd \/ Medium \/ Bl\u00f8d \/ Ultrabl\u00f8d<\/td>\n<td>Race-derived road-and-track tyre: track days, club racing, and legal use between sessions<\/td>\n<\/tr>\n<tr>\n<td><strong>K905 Semi Slick<\/strong><\/td>\n<td>Near-slick with minimal grooves<\/td>\n<td>ECE + DOT<\/td>\n<td>H\u00e5rd \/ Medium \/ Bl\u00f8d \/ Ultrabl\u00f8d<\/td>\n<td>Street-and-track crossover for riders who also commute and stunt on the same tyre<\/td>\n<\/tr>\n<tr>\n<td><strong>K97 Super Motard<\/strong><\/td>\n<td>Fully treaded supermoto pattern<\/td>\n<td>ECE + DOT + CCC<\/td>\n<td>H\u00e5rd \/ Medium \/ Bl\u00f8d \/ Ultrabl\u00f8d<\/td>\n<td>Supermoto, street stunt and wet-weather work where drainage matters more than a dry contact patch<\/td>\n<\/tr>\n<tr>\n<td><strong>K97 Sport On-Road<\/strong><\/td>\n<td>Road sport pattern<\/td>\n<td>Road-certified<\/td>\n<td>Not a multi-compound race line<\/td>\n<td>Everyday road and long-distance riding, not track work<\/td>\n<\/tr>\n<tr>\n<td><strong>K00 Slick<\/strong><\/td>\n<td>Full slick, no tread grooves<\/td>\n<td>NHS \u2014 track use only<\/td>\n<td>Super Soft \/ Soft \/ Medium \/ Hard<\/td>\n<td>Race teams and clubs on closed circuits; not legal on public roads<\/td>\n<\/tr>\n<tr>\n<td><strong>K01 Rain<\/strong><\/td>\n<td>Dedicated wet-weather pattern<\/td>\n<td>NHS \u2014 track use only<\/td>\n<td>Wet-specific compound<\/td>\n<td>Endurance racing in the rain<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>For the road-tyre side of the range, the <a href=\"\/da\/product\/kingtyre-k97-sport-on-road\/\">K97 Sport On-Road<\/a> is the long-life street option rather than a track product.<\/p>\n<p>If you want the full picture on the K905, read the <a href=\"\/da\/kingtyre-k905-semi-slick-tires-guide\/\">K905 semi slick tyre guide<\/a>, and for the racer's-eye view of the difference between the tyre families, start with <a href=\"\/da\/semi-slick-motorcycle-tires-track-day-guide\/\">semi slick motorcycle tires: a buyer's guide to track-day performance<\/a>. Riders who also run race-only tyres can compare the K06 directly with the <a href=\"\/da\/motorcycle-racing-slicks-k00-guide\/\">K00 slick engineering guide<\/a>, which explains how the track-only line is built.<\/p>\n<hr \/>\n<h2>Fitting, warming up and getting the most life from a K06<\/h2>\n<p>A K06 is a performance tyre, and how it is fitted and warmed up decides how much of that performance you actually get.<\/p>\n<ol>\n<li><strong>Fit by the published size and rim width.<\/strong> Use the measured rim and approved rim range from the specification table above, and never run a size or width combination that is not published for the K06.<\/li>\n<li><strong>Mount with a quality fit.<\/strong> A semi slick carcass needs even bead seating. If the tyre will not seat by hand, stop and investigate rather than forcing it with the bead tool.<\/li>\n<li><strong>Warm the tyres to 80\u201390\u00b0C for 60 minutes.<\/strong> KingTyre's official warming specification for the K06 line is 60 minutes at 80\u201390\u00b0C. Soft and ultra soft compounds need this far more than hard compounds, which take longer to reach working temperature anyway.<\/li>\n<li><strong>Set pressures cold, then check them hot.<\/strong> Set the published cold pressure, ride a few laps, then read the hot pressure in the pit lane and adjust in small steps.<\/li>\n<li><strong>Watch the wear bars.<\/strong> Each K06 carries two wear indicators that let you monitor remaining usable life.<\/li>\n<li><strong>Expect fast wear on the street.<\/strong> A K06 is optimised for the track. On rough asphalt or a long commute it will wear faster than a road tyre, and the soft and ultra soft compounds wear faster than hard and medium.<\/li>\n<li><strong>Store it correctly.<\/strong> KingTyre advises three years of shelf life in proper storage. After first use, inspect the tyre every four to six months.<\/li>\n<li><strong>Replace as a set, not one at a time.<\/strong> A part-worn tyre on one end of the bike changes the balance of the chassis, which matters more on a semi slick than on a road tyre.<\/li>\n<\/ol>\n<p><figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.chinakingtyre.com\/wp-content\/uploads\/2025\/08\/kingtyre-k06-on-race-track.jpg\" alt=\"Kingtyre K06 semi slick-d\u00e6k p\u00e5 en motorcykel med fuld h\u00e6ldning under et track day-l\u00f8b\" loading=\"lazy\"\/><figcaption>Kingtyre K06 semi slick-d\u00e6k p\u00e5 en motorcykel med fuld h\u00e6ldning under et track day-l\u00f8b<\/figcaption><\/figure>\n<\/p>\n<hr \/>\n<h2>Ordering K06 semi slick tires: wholesale, OEM and ODM<\/h2>\n<p><strong>For distributors and brands, the K06 is a compact way to enter the street-legal track tyre segment.<\/strong> One tyre family covers four compounds, ten 17-inch sizes and both track and road use, which means a distributor can serve track-day riders, club racers and road riders from a single product line.<\/p>\n<p>The manufacturing background behind those deliveries is specific. KingTyre (Tianjin Kingtyre Group Co., Ltd.) was founded in 2015 and is one of the few Chinese manufacturers producing motorcycle radial tyres at scale. The Tianjin plant has an annual capacity of more than 300,000 radial tyres across 150-plus sizes and five product categories, and KingTyre currently exports to more than 45 countries across Europe, South America, Asia and the Middle East.<\/p>\n<p>Quality and compliance are certified rather than claimed: production runs under ISO 9001, and the range is certified to DOT for the United States, ECE R75 for Europe and CCC for China. KingTyre also supports <strong>OEM and ODM<\/strong> programmes for teams and resellers \u2014 including private-label moulding and branding, which is covered in detail in our <a href=\"\/da\/private-label-oem-motorcycle-tire-manufacturer\/\">private label and OEM motorcycle tyre manufacturer guide<\/a>.<\/p>\n<p>The racing credentials are not a marketing layer over a road tyre. KingTyre's Full Gas Racing Team has competed in the FIM Endurance World Championship at the 24 Hours of Le Mans since 2022, and the telemetry, tyre-temperature and wear-rate data collected in that programme feeds straight back into compound formulation \u2014 the same development loop documented in our <a href=\"\/da\/motorcycle-racing-tire-slicks-engineering-the-k00-slick-for-endurance-racing\/\">engineering report on the K00 endurance slick<\/a>. If you are assessing whether the K06 belongs in your range, our <a href=\"\/da\/how-to-choose-motorcycle-tire-manufacturer-china-2026\/\">guide to choosing a motorcycle tyre manufacturer in China<\/a> sets out the questions worth asking any supplier \u2014 including the <a href=\"\/da\/motorcycle-racing-slick-tire-supplier\/\">sourcing guide for racing slick suppliers and distributors<\/a> if you also carry race-only tyres, and the <a href=\"\/da\/import-motorcycle-tires-from-china-wholesale\/\">importing guide for wholesale buyers<\/a> for logistics, documentation and shipping.<\/p>\n<hr \/>\n<h2>Frequently asked questions<\/h2>\n<h3>Are KingTyre K06 semi slick tires legal on public roads?<\/h3>\n<p>Yes. The K06 is ECE certified, which is the approval that allows it to be ridden and registered on public roads. Every published size carries the ZR designation for speeds above 240 km\/h. This is the difference that separates the K06 from race-only slicks such as the K00, which are marked NHS and are not permitted on the highway. Approval still applies only to the published size and rim-width combinations.<\/p>\n<h3>What is the difference between the four K06 compounds?<\/h3>\n<p>The four compounds are hard, medium, soft and ultra soft, and they differ in how wide a temperature window they work across and how quickly they reach it. Hard is stable up to 120\u00b0C and lasts longest. Soft is stable from 40\u00b0C to 85\u00b0C and gives the most mechanical grip in cool conditions. Medium is the balanced all-round option. Ultra soft is the maximum-grip choice for short bursts, with the shortest life of the four.<\/p>\n<h3>Which K06 compound should I use for a track day?<\/h3>\n<p>Use the compound that matches the track surface temperature rather than the weather forecast. Below 45\u00b0C, choose soft or ultra soft. Between 45\u00b0C and 80\u00b0C, choose medium or soft. Above 80\u00b0C, choose hard, because softer compounds will overheat and fall out of their grip window. Session length and riding style come next: sprints favour soft, endurance favours hard.<\/p>\n<h3>What tire pressure should I run on a K06 semi slick?<\/h3>\n<p>KingTyre's race specification sheet gives 2.2 bar (32 psi) cold for the 110\/70ZR17 and 120\/70ZR17 fronts, and 1.6 bar (23 psi) cold for every listed rear size, with hot figures of 2.4 bar (35 psi) and 1.8 bar (26 psi) respectively. These are starting points: check the hot pressure in the pit lane after a few laps and adjust in small steps.<\/p>\n<h3>What rim width does each K06 size need?<\/h3>\n<p>The measured rim for the K06 sizes runs from MT3.00 on the 110\/70ZR17 front to MT6.25 on the 200\/55ZR17 rear, with approved rim widths from 3.00\u20133.50 inches up to 6.00\u20136.25 inches. The 200\/60ZR17 rear is published on the product page but is not listed in KingTyre's race specification sheet, so its rim data should be requested directly from the factory.<\/p>\n<h3>Do K06 semi slick tires need tire warmers?<\/h3>\n<p>For soft and ultra soft compounds, yes \u2014 KingTyre's official warming specification for the K06 line is 60 minutes at 80\u201390\u00b0C. Hard and medium compounds tolerate a slower warm-up, but every compound benefits from being brought into its window before the first timed lap. Riding out of the pit lane cold gives away grip that the tyre has already paid for.<\/p>\n<h3>Can I use the K06 in the rain?<\/h3>\n<p>The K06's shallow grooves and rain-resistant shoulder treads give it more wet capability than a full slick, but KingTyre's own guidance is to use the K06 in dry or slightly damp conditions. It is not a wet-weather tyre. For genuine rain capability, the dedicated K01 rain tyre is the product designed for that job.<\/p>\n<h3>How long do K06 semi slick tires last?<\/h3>\n<p>KingTyre does not publish a mileage figure for the K06, because life depends on compound, track, rider and usage. The practical rule is that these are track compounds: they wear quickly on rough asphalt, and the soft and ultra soft compounds wear considerably faster than hard and medium. Each tyre carries two wear bars so remaining life can be monitored directly.<\/p>\n<h3>What is the difference between the K06 and the K905 Semi Slick?<\/h3>\n<p>Both are four-compound semi slicks, so the difference is in their certification and their intended use. The K06 is ECE certified with a race-derived construction, aimed at track days and club racing where road legality matters between sessions. The K905 is certified to both ECE and DOT and is pitched as a street-and-track crossover for riders who also commute and stunt on the same tyre.<\/p>\n<h3>How do I order K06 tires in bulk from KingTyre?<\/h3>\n<p>The K06 is supplied as a wholesale, OEM and ODM product, and KingTyre quotes per order rather than publishing fixed prices. Contact the factory with the sizes, compounds and annual volume you need, and you can also ask about private-label moulding and branding for your own brand.<\/p>\n<hr \/>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are KingTyre K06 semi slick tires legal on public roads?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The K06 is ECE certified, which is the approval that allows it to be ridden and registered on public roads. Every published size carries the ZR designation for speeds above 240 km\\\/h. This is the difference that separates the K06 from race-only slicks such as the K00, which are marked NHS and are not permitted on the highway. Approval still applies only to the published size and rim-width combinations.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the difference between the four K06 compounds?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The four compounds are hard, medium, soft and ultra soft, and they differ in how wide a temperature window they work across and how quickly they reach it. Hard is stable up to 120\\u00b0C and lasts longest. Soft is stable from 40\\u00b0C to 85\\u00b0C and gives the most mechanical grip in cool conditions. Medium is the balanced all-round option. Ultra soft is the maximum-grip choice for short bursts, with the shortest life of the four.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which K06 compound should I use for a track day?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Use the compound that matches the track surface temperature rather than the weather forecast. Below 45\\u00b0C, choose soft or ultra soft. Between 45\\u00b0C and 80\\u00b0C, choose medium or soft. Above 80\\u00b0C, choose hard, because softer compounds will overheat and fall out of their grip window. Session length and riding style come next: sprints favour soft, endurance favours hard.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What tire pressure should I run on a K06 semi slick?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"KingTyre's race specification sheet gives 2.2 bar (32 psi) cold for the 110\\\/70ZR17 and 120\\\/70ZR17 fronts, and 1.6 bar (23 psi) cold for every listed rear size, with hot figures of 2.4 bar (35 psi) and 1.8 bar (26 psi) respectively. These are starting points: check the hot pressure in the pit lane after a few laps and adjust in small steps.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What rim width does each K06 size need?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The measured rim for the K06 sizes runs from MT3.00 on the 110\\\/70ZR17 front to MT6.25 on the 200\\\/55ZR17 rear, with approved rim widths from 3.00\\u20133.50 inches up to 6.00\\u20136.25 inches. The 200\\\/60ZR17 rear is published on the product page but is not listed in KingTyre's race specification sheet, so its rim data should be requested directly from the factory.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do K06 semi slick tires need tire warmers?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"For soft and ultra soft compounds, yes \\u2014 KingTyre's official warming specification for the K06 line is 60 minutes at 80\\u201390\\u00b0C. Hard and medium compounds tolerate a slower warm-up, but every compound benefits from being brought into its window before the first timed lap. Riding out of the pit lane cold gives away grip that the tyre has already paid for.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use the K06 in the rain?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The K06's shallow grooves and rain-resistant shoulder treads give it more wet capability than a full slick, but KingTyre's own guidance is to use the K06 in dry or slightly damp conditions. It is not a wet-weather tyre. For genuine rain capability, the dedicated K01 rain tyre is the product designed for that job.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How long do K06 semi slick tires last?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"KingTyre does not publish a mileage figure for the K06, because life depends on compound, track, rider and usage. The practical rule is that these are track compounds: they wear quickly on rough asphalt, and the soft and ultra soft compounds wear considerably faster than hard and medium. Each tyre carries two wear bars so remaining life can be monitored directly.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the difference between the K06 and the K905 Semi Slick?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Both are four-compound semi slicks, so the difference is in their certification and their intended use. The K06 is ECE certified with a race-derived construction, aimed at track days and club racing where road legality matters between sessions. The K905 is certified to both ECE and DOT and is pitched as a street-and-track crossover for riders who also commute and stunt on the same tyre.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I order K06 tires in bulk from KingTyre?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The K06 is supplied as a wholesale, OEM and ODM product, and KingTyre quotes per order rather than publishing fixed prices. Contact the factory with the sizes, compounds and annual volume you need, and you can also ask about private-label moulding and branding for your own brand.\"\n            }\n        }\n    ]\n}<\/script><\/p>\n<h2>Find the KingTyre K06 semi slick tire<\/h2>\n<p>The KingTyre K06 is available now from Tianjin Kingtyre Group, with four compounds and ten 17-inch sizes covering both track days and legal road use. Open the <a href=\"\/da\/product\/kingtyre-k06-semi-slick-daek\/\">K06 Semi Slick product page<\/a> for the full size list, or browse the complete <a href=\"\/da\/kingtyre-produktliste\/\">KingTyre product range<\/a> to see how the K06 fits alongside the rest of the racing and road tyre lines.<\/p>\n<p>If you are building a 17-inch package, compare the K06 with the <a href=\"\/da\/product\/kingtyre-k905-semi-slick-tires\/\">K905 semi slick<\/a> and the <a href=\"\/da\/product\/kingtyre-k97-super-motard-tires-road-legal-trackday\/\">K97 Super Motard<\/a> before you commit, and if you also run race-only tyres, add the <a href=\"\/da\/product\/kingtyre-k00-motorcycle-slick-tires\/\">K00 slick<\/a> and the <a href=\"\/da\/product\/kingtyre-k01-racing-rain-tire\/\">K01 rain tyre<\/a> to the same quote.<\/p>\n<p>For wholesale enquiries, technical data for a specific size, or OEM and ODM packaging, <a href=\"\/da\/kontakt\/\">talk to the KingTyre team<\/a> and quote the K06 reference and the sizes you need.<\/p>\n<hr \/>","protected":false},"excerpt":{"rendered":"<p>KingTyre K06 semi slick tires in ten 17-inch sizes with hard, medium, soft and ultra soft compounds. ECE street legal, ZR rated, with the official race pressure and rim spec.<\/p>","protected":false},"author":1,"featured_media":1285,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[23],"tags":[1137,1138,1199,1203,1204,1172,1136,1205,1206,1207,1208,118,491,1201,133,1139,137,117,1209,83,111,1087,132,1079,1210,1154,114,1081,1202,116,489,1211],"class_list":["post-1286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tire-knowledge","tag-110-70zr17","tag-120-70zr17","tag-140-70zr17","tag-150-60zr17","tag-160-60zr17","tag-17-inch-motorcycle-tires","tag-180-55zr17","tag-180-60zr17","tag-190-55zr17","tag-200-55zr17","tag-200-60zr17","tag-dual-compound-tires","tag-k06","tag-kingtyre-k06","tag-motorcycle-racing-tires","tag-motorcycle-tire-pressure","tag-motorcycle-track-day-tires","tag-motorcycle-track-tires","tag-race-compound-tires","tag-racing-slicks","tag-semi-slick-motorcycle-tires","tag-semi-slick-tire-lifespan","tag-semi-slick-tires","tag-semi-slick-tires-explained","tag-semi-slick-tires-factory","tag-slick-compound","tag-street-legal-racing-tires","tag-street-legal-track-tires","tag-street-slicks","tag-tire-compound-innovation","tag-track-day-tires","tag-ultra-soft-slicks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.1 (Yoast SEO v25.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>K06 Semi Slick Tires 2026 | Sizes, Compounds &amp; Pressures<\/title>\n<meta name=\"description\" content=\"KingTyre K06 semi slick tires in 10 sizes with four compounds, ECE street legality and official race pressure data. 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