IRC M5B EVO Rear Tire - 100/90-19 T10336Designed for soft loam and muddy tracks New updated center tread includes an extra grove to offer outstanding self cleaning characteristics High center knobs penetrate loose dirt for super traction offset shoulder knobs maximize control on the turns M rated for speeds up to 81 mph SAFETY WARNING: For information on tire care, safety, maintenance, mounting, manufacturers warranty and other information consult tire manufacturers publication(s) and or