Owners of the Tamiya Hotshot and Super Hotshot can replace the factory plastic upper arms with the JAZRIDER JR-THS05-LB blue anodised aluminium parts to gain a tougher rear assembly and a cleaner look.
Aluminium rear upper arms reduce flex and improve rear axle consistency, which helps the car respond more predictably under load. This is useful for quick technical sections and repeatable handling on club tracks.
The swap is suitable for most hobbyists using standard drivers. Check fasteners for correct tightness and inspect for play after a few sessions to maintain reliable operation.
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