This replacement set is an RC-scale front upright knuckle arm kit engineered for TAMIYA TA01, TA02W, DF01 and Hotshot chassis. The alloy parts are intended as direct replacements for the stock plastic uprights to deliver a stable metal mounting point for steering components and suspension links. The light blue finish aids part identification during build and setup.
Fitment targets the listed Tamiya models and assumes reuse of original fasteners and bearings. Typical installation involves removing the front hubs, transferring bearings and steering links, and securing the uprights with the stock hex screws; verify alignment before final torque. These uprights serve as a tuning upgrade to reduce upright flex and to stabilise steering geometry under load.
The text concentrates on compatibility, installation context, and the tuning benefits of alloy uprights on RC touring and vintage Tamiya models, and does not imply use beyond RC-scale vehicles.
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