Challenge Paris Roubaix Tubular Road Tyre

. The Challenge Paris Roubaix Tubular is perfect for riders racing over road, cobble of gravel terrain, providing exceptional rolling performance, superb grip and top level reliability. Thanks to the Challenge PPS2 casing you have two layers of dense puncture protection while keeping the weight very low Features Use Road, Cobble, Gravel Type Tubular Puncture Protection Double PPS Casing SuperPoly Tyre Width 27mm TPI 300 Inflation Pressure 75 175 Weight 330gBuy Challenge Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.