The open and aggressive tread design 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.Open tread designImproved braking and tractionSpecification Conditions: Loose Over Hard, Medium, Loose, WetCornering Control: 1 2 3 4Rolling Efficiency: 1 2 3 4TPI: 60Bead: WirePly Construction: DualCompound: 3C Maxx GripMax PSI: 65Technology3C Maxx Grip: A new name for the downhill 3C compound configuration that you have come to know and trust. 3C Maxx Grip offers the ultimate in grip and slow rebound properties for unparalleled traction in downhill applications.Dual Ply (DH) Casing: Two layers of casing material are used from bead to bead, providing additional protection and sidewall stiffness for downhill applications.