The CrossMark II improves on the speed of its predecessor while improving grip in intermediate conditions. The legendary centre ridge still flies on hardpack, and the updated tread pattern provides better braking and cornering over a wide range of trail conditions. A great choice if you want to go fast everywhere.SpecificationDesigned for speed, revised for control,Best for Hardpack, Loose/Hard, Medium,Cornering Control 1 2 3 4,Rolling Efficiency 1 2 3 4,Compound: Dual Compound Technology,Breaker: EXO Puncture Protection,Max PSI: 50,Bead Type: Folding,li>Tubeless Tyre,TPI: 60,Weight: 705g.