Motion Pro Throttle Kit Rev-2 Hon 01-2745 The most advanced variable rate throttle in the world Innovative reel changing system lets you tailor the throttle rate to riding conditions and rider preference Ultra-compact housing with snap-together elbows make it easy to install and change reels New sleek design requires less handlebar space for lever clearance and throttle position Use smaller reels for slower throttle rate and larger reels for faster throttle rate