Blue Motorcycle Racing 7/8" Handlebar Rubber Gel Hand Grips W/ Built In Bar End Left (bar side) hole diameter: 7/8" (22mm) Right (throttle side) hole diameter: 1" (25mm) Material: Durable PVC Gel Rubber & CNC Billet Aluminum Heavy duty tough strong billet Aluminum bar ends High quality firm rubber gel material brings Excellent absorbent to strong vibration & provides great comfort & feel!