MOTO-D Yamaha R1 Clip-Ons have cuffs machined from 7075-T6 billet aluminum which are then shot-peen treated for strength and rigidity. The handlebar tubes are machined from 6061-T6 billet aluminum and lased etched with adjustability markings for perfect fitment (eliminates the guesswork when lining up your bars). Angled 7 degrees down for enhanced feel and rider control. Stainless fastener hardware and delrin end caps included (easy to remove for installing brake and clutch lever guards). Aftermarket motorcycle race clip-ons may require adjustment and/or modification for proper fit and clearance. Color Black clip-ons cuffs and bars. Torque to OEM or industry standard - whichever is lower. Replacement clip-on bars sold separately. Fits Yamaha YZF-R1 motorcycles with 50mm fork tubes from 1998+.