Alum Caster Blocks C-Hubs x-ring which comes standard on most

which comes standard on most Traxxas nitro models

Silicone steel laminations

Aluminum Caster Blocks C-Hubs Traxxas X-Maxx

Output gear

Alum Caster Blocks C-Hubs x-ring which comes standard on mostAluminum Caster Blocks C Hubs Traxxas X Maxx XMX1901 Hot Racing aluminum front caster blocks (c hubs) for the Traxxas X Maxx 6S and 8S FEATURES: CNC machined 6061 T6 aluminum construction Black anodizing for durability, corrosion resistance, and aesthetics Secondarily processed machined beveled edges Clearly marked "R" and "L" labels High strength steel hardware Replaces factory plastic components YOU WILL RECEIVE: Left and right aluminum caster