Throttle Tube Nk200.07Throttle Tube KitUniversal quick action throttle for all scooters, quads ATVs etc, with 22mm diameter handle bars Generally the throttle cable does not need to be adapted in any way, meaning its easier to fit a tuned carb or swap to a twist grip on a quad High quality set with great design. Ideal for changing over from thumb to twist grip throttles on quads outer length: 124mm inner length: 122mm throttle type: throttle twist grip