Product Stub axles rear heavy duty (2)/pins (2) Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user s manual for exact parts listings.From the ManufacturerThis is the 6853X Stub Axles.