The new 3rd generation Motion Pro Revolver variable rate throttle system is here!Innovative reel changing system lets you tailor the throttle rate to your preference and riding conditions5 different reels provide perfect throttle response for any condition. Use smaller reels for slower throttle rate and larger reels for faster throttle rate. Included cam reel provides progressive throttle response preferred by some ridersSlim REV3™ throttle housing allows more room for lever clearance and adjustment to throttle housing positionImproved throttle stop provides greater strength and durabilitySnap together elbows makes it even easier to install and change reelsCable boot keeps dirt and dust out for reliable and smooth operationBillet aluminum inline cable adjusters ease installation and adjustmentLower section of cables use 5mm housing with PTFE liner for reduced friction, increased routing flexibility and lighter weightUpper section of cables use 6mm housing to provide solid support of adjustersSimple to install and maintainKit includes:REV3™ throttle assembly with throttle tubeMotion Pro REV3™ black vinyl cable (01-1496) specifically designed for your bikeRoadControl™ grips (01-1131)Four interchangeable round reels: 35mm, 40mm, 45mm, 50mmProgressive road race profile cam reel (orange)