A molecular approach of fine carbon particles in terms of compounding has improved the bite to the road surface and enhanced the grip characteristics of the compound itself Racing street RS11 takes riding into a higher level with significant improvements in aspects of sports riding, including grip, cornering stability, handling, and contact feel Groove pattern inspired by the Battlax Racing R11: Design adaptations make it an incredibly capable track tire, while still maintaining street tire performance Recommended for riders who wish to enjoy riding over a wide range from the racing track to the winding road DOT approved (no warmers needed) Dry-grip oriented pattern. TIRE RS11F 120/70ZR17 58W