Designed for motorcycles of all ages, the Roadrider MKII provides a step forward in performance and reliability over its predecessor. Timeless Appearance - Cutting-edge performance with aesthetics that suit bikes of all ages. New Tire Construction - Enhanced handling and stability in both wet and dry conditions. Enhanced Sidewall Design - Reduction in the effects of ozone degradation. Tire Specifications: Load / speed rating: 65V. Recommended rim: MT3.00. Rim size min / max (inches): 2.50 - 3.50. Outer width (inches/mm): 5.4 / 136. Outer diameter (inches/mm): 25.4 / 645. Tread depth (mm): 7.5.