Ibex - Climb like a mountain goat! Designed for Endurocross and extreme enduro-type conditions Super-Soft and flexible rubber compound for maximum bump absorption and terrain compliance for obstacles like rock gardens and log crossings High wet-traction compound developed by top pro Endurocross riders Open aggressive drive pattern for max grip and cleanout Shoulder knob pattern designed for large contact patch and support for soft compound during cornering Ultra soft casing for maximum terrain adaptation Made for low speed riding only (less than 40 mph recommended)