Traxxas 5654 CV Style Stub Axle, Machined Steel (Summit) Machined steel construction Constant Velocity Replacement for worn or damaged stub axle Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles! This product is made from high quality materials, and designed for lasting performance. This is for use on RC vehicles such as the Traxxas Summit, consult your user's manual for exact parts listings.