This is an aluminium rear lower suspension arm set produced for the Tamiya FF02 chassis by 3Racing, supplied as an RC-scale hop-up part intended to replace the stock lower rear arms. The component is described as aluminium to provide increased wear resistance compared with standard plastic parts while keeping focus on chassis response and durability.
Functionally these arms serve as the pivot points for rear suspension links and wheel hubs. Upgrading to machined aluminium arms reduces flex at the lower pivot, which helps maintain consistent suspension geometry during repeated runs and supports finer suspension tuning at the rear of the car.
Installation follows the same mounting locations as the original FF02 parts. Replace the OEM rear lower arms one side at a time to retain alignment, verify ball stud and hinge pin seating, and confirm free rotation of hubs before final tightening. Check rear toe and camber after installation as part of routine setup checks.
Use this part when you need a durable replacement for worn plastic arms or when dialing in more repeatable rear suspension behavior for practice and club-level track use.
Compatibility: Tamiya FF02 chassis
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