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: 54R. Recommended rim (inches): 1.60 (1.60 - 1.85). Overall diameter (inches): 28.11. Overall width (inches): 3.54. Full tread depth (inches): 13/32. Max load (pounds/PSI): 467 at 36.