The CrossMark II improves on the speed of its predecessor while improving grip in intermediate conditions. The legendary center 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. The CrossMark II improves on the speed of its predecessor while improving grip The legendary center ridge still flies on hardpack, and the updated tread pattern Dual compound rubber offering lower rolling resistance and increased cornering grip EXO protection increases cut and abrasion resistance in the sidewalls Tubeless ready allows the tire to be run with sealant and without a tube when properly equipped