The Challenger is the new endurance tyre from Hutchinson. Complete peace of mind, all year round. A tyre with no compromises, delivering exceptional performance in terms of longevity, comfort and safety. Created after extensive research and development from Hutchinson, the Challenger has been designed as a do-it-all tire capable of the demands of everyday training, Gran Fondo riding and ultra-endurance adventures.The ultimate long-distance tyrePrioritises longevity, comfort and safetyReinforced to protect the treadBi-compound to provide good grip and an extended lifespanTube Type (TT), fits standard rims with inner tubeBead: FoldingReinforced (RF), 100% polyamide puncture reinforcement under the trade. 25% increase in puncture resistance without significant weightBi-compoundAll of this comes with hardly any weight penalty, a 25mm tyre weighing in at just 255g, even lighter than the competition. A new Hutchinson s Bi-Compound rubber offers a harder compound in the centre of the tyre designed to resist cuts and abrasion. This is matched with a softer lateral compound and grooved tread for superior grip when cornering on both wet and dry roads. A 66 TPI casing offers the perfect ratio of weight, protection and rolling resistance.