Kuryakyn Kinetic Grips For Harley With Throttle By Wire Ride with less fatigue and more control in a modern design. Featuring an aluminum body and Epdm rubber to help you ride with less fatigue and more control in a slightly smaller diameter package then the legendary ISO grips. Features: Inlaid with Epdm rubber with an aluminum body Reduces fatigue Slightly smaller outside diameter than the ISO Grip design Coordinates with the entire Kinetic line for a cohesive look For a greater comfort, add the matching Throttle boss (sold separately)