LOS362003 Losi Aluminum Hub Set, Machined, Orange: Promoto-MX With the Promoto-MX orange aluminum hub set installed on your Losi RC motorcycle, you can be confident that it?s prepared for tough terrain and intense rides! The Losi motorcycle orange aluminum hub set is an easy, direct replacement for the stock injected molded front and rear hubs on the Promoto-MX. With both front and rear hubs included, the aluminum Promoto orange hub set adds a significant boost in durability to your Promoto-MX RC bike, along with greater trueness and fresh style. Take your Promoto-MX to a new level of performance with a Promoto MX orange hub set upgrade. (description exceeds maximum possible length)