Amazinea Motorcycle Racing 7/8" Handlebar Rubber Gel Hand Grips + Bar End Cap Plug Blue Left (bar side) hole diameter: 7/8 Right (throttle side) hole diameter: 1 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!