Using high quality CNC machined aluminum, these oversized Aluminum rear hub carrier greatly increase the strength of your rear suspension, while adding great looks to your Traxxas electric Stampede/Rustler/Bandit or the new Slash, Because of the increase in size of bearing for durability, we have included a full set of 5 x 11mm ball bearings (replacing the stock 5 x 9mm bushing) for improved efficiency of the rotating axle and durability, This is a great upgrade for Monster Jam truck owners as it replaces the stock metal bushing with better quality and faster bearings, Color: Green, SKU: RCHOB1520