Carriers, stub axle (blue-anodized 6061-T6 aluminum)(rear)(2) Traxxas aluminum stub axle carriers add both strength and beauty without compromising the track-bred suspension geometry. Complete installation kit includes hardened-steel hinge pins and e-clips. 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.