The Maxxis High Roller II Tyre has an open and aggressive tread design which gives the 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. When gravity pulls you downhill, rely on the High Roller II to keep you upright. Maxxis High Roller II Features Open tread design Improved braking and traction Conditions: Loose Over Hard, Medium, Loose, Wet Cornering Control: 1 2 3 4 Rolling Efficiency: 1 2 3 4 Tyre Specification Size: 27.5 x 2.40 TPI: 60 PSI: 60 Bead: Folding Compound: 3C Maxx Terra Tech: EXO Weight: 890g Size Options   MPN Size ETRTO TPI Bead Ply Weight (g) Compound PSI Tech Color Option 1 TB73307000 26 x 2.30 58-559 60 Foldable Single 825g Dual 60 EXO/TR Black Option 2