An 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.An Excellent Choice For Technical, Freeride Terrain.- 27.5X2.30 - Etrto 58-584 - Tpi 120X2, More Protection Given By Double Down (Dd) Technology- Flexible Ring- 60 Psi - Tubeless Ready (Tr) - Triple Compound Technology (3C).