Features: Made with 6061 T-6 Aluminum Alloy Ready for abuse When you twist the throttle, the regulator turns with it Can install hand guards and other throttle handle related products New generation of accessories, better quality and more beautiful appearance Anodized coloration, sharp looking See Through Translucent Top, Knurled Grip Area Adjustable clamps allows you to mount it with your personal preferences Specification: Color:Red/Blue/Green/Gold/Silver/Black The inner diameter: 22mm Material: Aluminum Fitment: Fits All Pit Bikes and Minis With 7/8 Inch Application. Package Include: 1*twist throttle,1*throttle cable,1*handle grips. Instruction of Installation is Not include.