Aggressive tread, high volume casing tire for All-Mountain to Downhill front or rear applications. Center tread is designed for acceleration and braking perfomance. Large block side knobs for reliable high speed cornering . 3C triple compound 70/42/40 durometer tire for downhill use. MP-60: MaxxPro 60 durometer for optimized durability and traction. DH models have a tough 2-ply casing and butyl sidewall reinforcement