TRIALSClimb like a mountain goatSuper-Soft and flexible rubber compound for maximum bump absorption and terrain compliance for obstacles like rock gardens and log crossingsHigh wet-traction compound developed by top pro Endurocross riders80/100-21 FrontTube Type 4PRLoad Speed: 51MLoad Capacity: 430 lbs.Max PSI: 33psiTread Depth: 6.6mmFits Wheel Size: 1.85x21