Upgrading an icon is never easy. The BT46 replaces the BT45 as Bridgestone's premier bias-ply vintage sport and touring tire. Bias-Ply Tire designed for vintage sport and touring motorcycles. Silica single compound in the rear to maximize performance, grip, and wear. Increased wet performance. No sacrifice in wear life. OE on BMW R18 models. BT46R, 120/90-18, Bias, Rear, 65V
