【Compatible with】:The upgrade parts for L0si 1/4 Promoto-MX Motorcycle RTR FXR-LOS06000,Promoto-MX Motorcycle RTR pro circuit-LOS06002,original factory number: los262004 los262000 los262003. 【Long-lasting Performance】The upgraded parts have amazing strength but very light weight,good durability and rigidity,and can cope with fierce and challenging terrain,effectively improves the performance of your motorcycle. 【High Quality Material】Made of high-quality aluminum 7075 materials and steel #45, it increases strength in the most extreme RC action, more durable and wear-resistant, protecting the important parts help eliminate crashes,falls and other damages. 【Easy to Install】Designed for simple installation, it is very suitable for replacing old parts or damaged parts, improving the overall performance and durability of your remote-controlled motorcycle. ❤【Package Includes】: 36T Gears Aluminum Rear Hub chain sprocket x 1,10T Steel Front Chain Sprocket x 1, roller chain x 1. 【Special note】:In the position of various screw holes, screw glue is applied, so that the screws are not easily separated from the upgrade accessories. hopsupRC Upgrades Parts Aluminum 7075 Rear Hub Chain Sprocket 36T Gears&Manganese Steel Roller Chain&10T Steel Front Sprocket for L0SI 1/4 Promoto-MX Motorcycle RTR FXR(los06000)(los06002),Black