General Replacement Tire CMT (Contour Modeling Technology) combines different profiles to optimize handling at all lean angles Patented 0° steel belt technology provides stiffer carcass for perfect balance of performance for one and two-up riding, minimized stand-up behavior under mid-corner braking situations Up to 20% dry grip improvement (over the ME Z4) thanks to FCM (Fine Carbon Matrix), a new carbon black compound structure Unmatched tread life thanks to the combination of carcass, compound and tread design to provide you with a totally balanced performance during the entire life of the tire W-rated for speeds up to 270 km/h (168 mph) OEM Replacement & suggested model-specific tires: BMW 180/55ZR-17 C = K1200R (05-06),K1200RS (97-05), R1200RT(05-06), R1200ST 180/55ZR-17 K = K1200GT (06), 190/50ZR-17 U = K1200S (03-09) Yamaha 185/55ZR-17 C = FJR1300 (06)