Challenge Gravel Grinder HCL tire black/brown

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  • Not road, not cyclocross - gravel races are trending and are attracting more and more participants. On long distances over unpaved roads the Gravel Grinder feels particularly comfortable. And of course in everyday life, which requires a particularly insensitive tire.

    Range of use:

    Fast rolling tire, offers excellent control for everything around Gravel and Adventure.


    Pro Handmade Clincher with Superpoly carcass.

    Handmade tires combine a variety of outstanding features to provide the highest comfort and lowest rolling resistance. Carefully selected materials are used depending on use performance requirements in the various tire levels. Soft, supple carcasses quickly adapt to the shape of the ground when rolling and cornering. This increases ground contact and grip and improves shock absorption on poor road surfaces. Soft, natural rubber treads are combined with lightweight, flexible puncture protection.
    Polyester is the least expensive of all handmade carcasses. It is a synthetic fabric that is very strong and impervious to water, offering much 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 - Hardness Standard

    Challenge's handcrafted natural rubber treads are compounded to provide the perfect level of durability without sacrificing performance, comfort and control. Challenge tires wear out 10-20% faster than the competition, but score with significantly improved performance and noticeably better feel throughout their life. Depending on the requirements, the tires are equipped with different soft rubber compounds.
    The Standard hardness grade offers the ideal mix of performance, control and durability (33-622).
    The Smart hardness grade is the long-life optimized version of Challenge's natural rubber compounds (36-622).

    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 through an additional PPS fabric layer between the carcass and tube.
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disponible en 1-2 jours de semaine

disponible en 1-2 jours de semaine