Milwaukee Twins Eagle Ribbed Vibration Insert Grips Milwaukee Twins Eagle Ribbed Vibration Insert Grips have deeply sculpted three-dimensional die-cast Eagle end-caps. Created with a long lasting rubber core that slips over the handlebar and throttle sleeve just like stock and provides vibration dampening that's easy on your hands. Features: Eagle design end-caps Smooth chrome with black rubber inserts Reuses OEM throttle sleeve