This alloy rear knuckle arm set is an aftermarket option for the Tamiya TA01 platform. Supplied as one pair, it replaces the rear steering spindle to provide a tougher alloy alternative to the original plastic components.
Installation guidance: verify hinge pin spacing and wheel hex alignment prior to final assembly, adjust servo linkage geometry after fitting, and check full suspension travel to prevent binding. As a tuning change the alloy item reduces compliance at the rear pivot and can change transient steering response when camber or toe are adjusted.
For enthusiasts and racers using the TA01 in 1/10 touring applications, swapping to alloy rear knuckles is a reliable upgrade to gain repeatable steering feel and better longevity.
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