Unique off-road tire designed for the wide and varied range of terrains encountered during Enduro racing. New pattern helps enhance sand and mud traction and offers more nimble handling. A new compound helps provide longer life and stronger grip performance. Works in hard packed conditions. Front and rear tires are equipped with Dunlop's patented Block-In-A-Block technology to improve knob flex, resulting in more durability. The EN91 is DOT approved for highway use. Applicable for FIM Enduro races. Tire Specifications: Load / speed index: 65R. Recommended rim (inches): 2.15. Overall diameter (inches): 26.88. Overall width (inches): 4.60. Full tread depth (inches): 15/32. Max load (pounds/PSI): 639 at 36.