This aluminum front upright is offered by JAZRIDER as part JR-THS01-LB and is made for use on TAMIYA Hotshot, Bigwig, and Boomerang chassis. The part replaces common plastic uprights to provide a stiffer mounting point for the front suspension while retaining the original geometry.
The unit is finished in blue and includes a 5mm long ball connector to match linkage lengths that use extended ball ends. As an RC-scale accessory, it is intended to alter rigidity and feedback at the front end, which can help with consistency during aggressive driving or when upgrading other front-end components.
Installation notes: remove the stock upright and transfer any necessary bushings or bearings, fit the aluminum upright into the same hub location, and secure per the chassis fastener layout. Check steering throw and tie-rod alignment after fitting to ensure no binding occurs, and verify the ball connector orientation matches the servo and steering arm geometry.
On setup and tuning: swapping to aluminum uprights tends to reduce flex at the hub carrier, which can change toe and camber behavior under load. Use this part when you want firmer front response and more predictable steering inputs, and pair it with proper shock and linkage adjustments to balance handling.
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