Nuoxinus Black Throttle Mounted Motorcycle Cruise Assist Hand Rest Control Grips Handlebar Universal Fit for 7/8" Handle Bar Fitment: Universal fit for 7/8"(22mm) handle bar (Note: not fit for 1 inch handle bar); Please check your bike before ordering Full Throttle control with a relaxed hand; Comfortably fits, reduces the strain on your fingers, wrist and arm Reducing problems with fatigue, tendonitis, carpal tunnel The throttle assist will make the rotation of the throttle grip easier Especially beneficial when wearing heavier gloves; Easy on, easy off. No tools required; All genuine item only sold by Nuoxinus