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Track device being used
Challenge Gravel Tire Gravel Grinder Pro Handmade Clincher 36-622
Product information "Challenge Gravel Tire Gravel Grinder Pro Handmade Clincher 36-622"
Not road, not cyclocross - gravel races, i.e. races on gravel, are trendy and are attracting more and more participants. The Gravel Grinder feels particularly comfortable on long journeys over unpaved roads. And of course in everyday life, which requires a particularly durable tire.
Area of application:
Fast rolling tire, offers excellent control for everything gravel and adventure.
Technical information:
Series: Pro Series
TPI: 260
Puncture protection: PPS2
Compound: Smart compound
Recommended internal rim width: for 17-25 mm
Recommended tire pressure 2.3-3.8 bar (max. 6)
Color: Black/brown
Weight: 430g
Pro Handmade Clincher with Superpoly carcass:
Handcrafted tires combine a variety of outstanding features to provide maximum comfort and lowest rolling resistance. Carefully selected materials are used in different tire levels depending on usage performance requirements. Soft, supple carcasses quickly adapt to the shape of the surface when rolling and cornering. This increases ground contact and grip and improves shock absorption on poor roads. Soft, natural rubber profiles are combined with lightweight, flexible puncture protection.
Polyester is the cheapest of all hand-made casings. It is a synthetic fabric that is very strong and waterproof and offers significantly more flexibility and durability than comparable nylon materials. Challenge uses high quality polyester or SuperPoly (higher TPI polyester) to produce cost-effective Pro Level tires.
Handmade natural rubber - standard hardness
Challenge's handcrafted natural rubber treads are compounded to provide the perfect level of durability without compromising performance, comfort and control. Although Challenge tires wear 10 - 20% faster than the competition, they offer significantly improved performance and a noticeably better driving experience throughout their lifespan. Depending on the requirements, the tires are equipped with rubber compounds of different softness.
The standard hardness offers the ideal mix of performance, control and durability.
Puncture Protection System 2 (PPS2)
Some tires designed for use on rough roads, cobblestones and gravel are equipped with PPS2 (Puncture Protection System 2). In addition to the normal PPS protective layer between the tread and carcass, these offer unrivaled puncture protection thanks to an additional PPS fabric layer between the carcass and tube.
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