Tread pattern with big central knobs for straight riding stability and general V-shape orientation for high adherence in traction and braking Superb wet/dry grip due to the Silica tread compound that offers mileage and regular tread wear performance Excellent high-speed stability even when fully loaded thanks to a size-optimized carcass General and OEM replacement tires Enduro/Dual sport 70% On 30% Off. MT90AT 80/90S21 FRONT