Challenge Dune Tubular Cyclocross Tyre

. The Challenge Dune Tubular Cyclocross Tyre is a fast rolling, high traction tyre designed to withstand the rigours of cyclocross riding. Featuring a corespun cotton casing with a 320 TPI construction for ultimate performance and reliability. It features a pyramid tread formation across the centre of the tyre tread to ensure rolling performance and straight line stability. The side lugs on the tyre tread are aggressive and pronounced to ensure that when cornering you have more than enough grip, and so that ultimately you can lay off the brakes and keep your speed up Features Use Cyclocross, Gravel, Road Type Tubular Puncture Protection PPS Casing Corespun Cotton TPI 320 Inflation Pressure 23 90 Weight 400gBuy Challenge Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.