CMT (Contour Modeling Technology) combines different profiles to optimize handling at all lean angles MAW (Metzeler Advanced Winding) Technology Patented Zero Degree Steel Radial 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 (Finite 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 168 mph Model specific and OEM replacement tires use a letter code after the tire size.