【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: LOS264000 【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,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】:The installation length of the rear swing arm can be flexibly adjusted, which is very suitable for replacing old or damaged parts and improving the overall performance and durability of the remote-controlled motorcycle. 【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 Swing Arm Adjustable Wheelbase for L0Si 1/4 Promoto MX Motorcycle Off-Road Vehicle RTR FXR LOS06000 LOS06002，(Larger Inner Bearing),Silver