●?Premium Performance ----- The transmission of gear is more accurate, high efficiency, strong vibration reduction and impact resistance, giving you a perfect riding experience. ●?Quality Material ----- This speedometer cable is made of high quality PC and aluminum alloy material, wear-resistant. PC has good flame resistance, wear resistance and oxidation resistance, and aluminum alloy has good electrical conductivity, thermal conductivity and resistance. ●?12mm Gear & 100cm Cable ----- 12mm axle & brand new speedometer drive gear with cable, and the cable length is 100cm / 39.4 inch, direct replace the old one or broken one. ●?Easy installation ----- Our speedometer drive gear can be installed without modification, easy to install, no installation instruction is needed, the installation position is on the right side of the bicycle. ●?Fitment ----- Designed specifically for GY6 50cc 150cc Scooters. Thank you for visiting Qiilu. If you have any questions, please feel easy to consult us and we will reply you as soon as possible. Wish you enjoy shopping.