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2. Tire tread - Wikipedia

   en.wikipedia.org/wiki/Tire_tread

   As tires are used, the tread is worn off, limiting its effectiveness in providing traction. A worn tire can often be retreaded. The word tread is often used casually to refer to the pattern of grooves molded into the rubber, but those grooves are correctly called the tread pattern, or simply the pattern. The grooves are not the tread, they are ...

3. Racing slick - Wikipedia

   en.wikipedia.org/wiki/Racing_slick

   The first drag racing slick was developed by M&H Tires (Marvin & Harry Tires) in the early 1950s. It was the only company in the world that produced and sold original drag racing tyres. Drag racing slicks vary in size, from slicks used on motorcycles to very wide ones used on "top fuel" dragsters.

4. Off-road tire - Wikipedia

   en.wikipedia.org/wiki/Off-road_tire

   Off-road tires (Off-road tyre) are a category of vehicle tires that use deep tread to provide more traction on unpaved surfaces such as loose dirt, mud, sand, or gravel. [1] Compared to ice or snow tires, they lack studs but contain deeper and wider grooves meant to help the tread sink into mud or gravel surfaces.

5. Siping (rubber) - Wikipedia

   en.wikipedia.org/wiki/Siping_(rubber)

   Billy Boat siping a sprint car tire. Fine slits are cut into the tire with a narrow blade, not near the size of a groove. [8] Racing tires are siped to increase speed. [8] The increased traction allows better contact to the racing surface for increased braking, acceleration, and turning. [8]

6. Motorcycle tyre - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_tyre

   As the early motorcycle industry progressed, larger tyre sizes accompanied larger engine displacements, so that by 1909–1914, 2 + 1 ⁄ 4 in (57 mm) section, 26 in (660 mm) diameter tyres were used on 250 to 350 cc (15 to 21 cu in) motorcycles, and 2 + 3 ⁄ 8 to 2 + 1 ⁄ 2 in (60 to 64 mm) section tyres appeared on motorcycles with ...

7. Uniform Tire Quality Grading - Wikipedia

   en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

   Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction. The UTQG was created by the National Highway Traffic Safety Administration in 1978, a branch of the United States Department of Transportation (DOT). [ 1 ]

8. TT100 (motorcycle tyre) - Wikipedia

   en.wikipedia.org/wiki/TT100_(motorcycle_tyre)

   Originally introduced in early 1968 as the Roadmaster K81 rear tyre [6] by Dunlop Rubber Co. Ltd, [7] the tyre was renamed "TT100" because it was the first production tyre to reach a lap speed of 100 mph over the Isle of Man TT race course when Malcolm Uphill rode his works Thruxton Bonneville to victory in 1969 with a fastest lap of 100.37 mph during the 750 cc class production race.

9. Tread - Wikipedia

   en.wikipedia.org/wiki/Tread

   Stair tread, horizontal portion of a set of stairs on which a person walks; Tire tread, patterned outer surface of a tyre that makes contact with the road; Tread (river terrace), the level section of a river terrace; Continuous track, a system of vehicle propulsion used in tracked vehicles; Wheel tread, an old name for the wheel track