Traxxas 17mm hubs and wheel nuts are made from durable 6061-T6 aluminum, feature an innovative new splined design, and are anodized in a brilliant red or blue finish. For precision alignment and unsurpassed torque handling, the splined design interlocks with Traxxas 17mm splined wheels. The ground-breaking design also accepts traditional aftermarket 17mm hex hubs. 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.