Pirelli MT 90 A/T Dual Sport Front Tire - 90/90-21 1417500General and OEM replacement tires Tread pattern with big central knobs for straight riding stability and general V shape orientation for high adherence in traction and braking Excellent high speed stability even when fully loaded thanks to a size optimized carcass Superb wet dry grip due to the Silica tread compound that offers mileage and regular tread wear performance DOT approved The use of the tire and other vehicle data and information accessible