An open and aggressive tread design gives the Maxxis High Roller II excellent soil penetration and mud-clearing ability. A square profile provides a solid, consistent feel across the knobs. Modified knobs on the shoulder and center improve braking performance and traction on hard surfaces. An excellent choice for technical terrain.Maxxis' Wide Trail (WT) model has been specifically engineered and optimized to be run on rims with a 30-35mm inner rim width.