Original equipment on these Harley-Davidson® motorcycles, with approved fitments for additional model years: Sportster® SuperLow™, V-Rod Muscle® and V-Rod® Night Rod® Special. Outstanding Grip: Semi-slick tread pattern maximizes the contact patch for excellent adhesion on dry roads. Optimized tread groove design efficiently evacuates water for dependable wet grip. Excellent Tread Life: Derived from Michelin's championship-winning race tires, newly developed rubber compounds combine durability and high performance.