Metzeler Roadtec Z6 170/60ZR17 (72W) TL Rear Tire - 170/60ZR-17 Value Priced Sport Touring radial Patented 0 Degree Steel belt technology for both front and rear tires provides a tuned carcass for: perfect balance of performance for one and two-up riding, minimized stand-up behavior under mid-corner braking situations and the combination of patented 0 degree steel belt construction and tread tread Pattern Pattern design minimizes dynamic deformation providing excellent high-speed stability Up to 20% dry grip improvement (over MEZ4) thanks to FCM (Finite Carbon Matrix) Front and rear tread pattern design provides excellent wet grip performance Sidewall construction provides a new level of bump absorption