OEM-GT Twist Grip Set. 7/8" twist throttle with grips and all metal housing. This throttle is perfect for any mini bike with 7/8" tubing. Length of the grip: 4-3/4". Cable length 54". Great fit for your Rupp, Bonanza, Arctic Cat, Sears, and any other barn yard special you may have! Twist Grip Set. 7/8" twist throttle with grips and all metal housing. This throttle is perfect for any mini bike with 7/8" tubing. Length of the grip: 4-3/4". Cable length 54". Great fit for your Rupp, Bonanza, Arctic Cat, Sears, and any other barn yard special you may have!