This aluminium front arm bulk is an aftermarket component for the Tamiya CW-01 chassis family, including The Hornet and Grasshopper, identified as JR-LB05-GU. It serves as a direct replacement for the stock front bulk and provides a stiffer mounting point for front suspension assemblies on 1/10 buggies.
Fabricated from machined aluminium and finished in gun metal, the unit prioritises rigidity and consistent alignment over lightweight construction. The reduced flex helps maintain steering input fidelity and front wheel geometry during aggressive driving and uneven surfaces.
Installation is designed as a straightforward swap at the CW-01 front arm mounting locations. Because it changes the structural response of the suspension, expect a different steering feel and handling behaviour which can be used to refine corner entry and front-end compliance.
Maintenance is basic: remove grit from mating surfaces and routinely inspect screw holes after hard hits. The gun metal finish resists visual wear, but the primary benefit is improved chassis stiffness and setup consistency rather than weight savings.
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