Avon Old School Standard Grips For Harley With Throttle By Wire These are the classic soda bottle look that offers a soft feel while giving you an Old School look. Made from Kraton rubber for a great feel and a vintage appearance that will not dry or harden and crack. The colorfast designs won't stain your hands or gloves. Features: A true Old School, soda bottle look Kraton rubber construction 1 internal diameter 1.4 outside diameter 4.6 inside length