Caster Blocks Overview:
Treal Hobby Traxxas TRX-4M Brass C-Hubs. Constructed for high quality CNC-machined brass, these optional brass C-Hubs are intended for the Traxxas TRX-4M 1/18 micro crawler to add 10.4g of total unsprung weight to lower the center of gravity, increase the front weight bias and the durability of your TRX-4M front axle.
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