This is an RC-scale aluminum front arm bulk designed for the Tamiya CW-01 chassis family, including The Hornet and Grasshopper, produced by JAZRIDER under model JR-LB05-GU. The component replaces the stock front arm bulk to provide a stiffer mounting point for the front suspension on these 1/10-scale buggies.
Constructed from machined aluminum with a gun metal finish, the part focuses on rigidity and repeatable geometry rather than weight savings. Using an aluminum bulk can reduce flex under load, which helps keep steering input and front wheel alignment more consistent during acceleration, braking and cornering on typical off-road surfaces.
Installation is intended as a direct replacement for the CW-01 front arm bulk, mounting to the same front arm locations on the chassis. Because it serves as a structural element of the front suspension, expect a measurable change in steering feedback and handling feel; this makes it useful when tuning for sharper turn-in or reduced front-end compliance.
Maintenance is minimal: keep mating surfaces clean and inspect mounting holes for wear after heavy use. The gun metal finish helps resist visible wear but treat it as an upgrade part for chassis stiffness and setup refinement rather than a weight reduction item.
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