Catalogued as JR-THS01-LB, this aluminum front upright is intended for TAMIYA Hotshot, Bigwig, and Boomerang chassis. It replaces the plastic hub carrier to give a stiffer mounting for the front suspension while keeping stock geometry intact.
The part is anodized blue and includes a 5mm long ball connector to suit linkages that use extended ball ends. As an aftermarket component it is aimed at improving front-end rigidity and steering consistency, especially during hard driving or when paired with upgraded shocks.
Fitment advice: remove the original upright, move any required spacers or bearings across, and install the aluminum piece in the same hub position. After installation check for steering clearance and confirm the ball connector lines up with the steering arm and servo geometry.
Setup impact: a firmer hub carrier will typically change toe and camber reaction under load. Use JR-THS01-LB when you need sharper front response, and retune springs and linkages to get the handling you want.
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