This CNC-machined rear upright is intended as a direct spare or hop-up for the Auper D6 on-road chassis. It forms the link between the rear hub carrier and suspension links and influences rear geometry, toe and camber characteristics under load.
The red anodized finish aids identification during setup and routine maintenance. Because of its role in the rear suspension, the component is often replaced when plastic parts show wear or when testing different stiffness and steering traits.
Fitment advice: check fit against your existing wheel hex and hub hardware, confirm bearing bore alignment with the hub assembly, and tighten mounting screws to the correct torque for aluminum parts. Note that small geometry adjustments at the upright will affect handling, so change settings incrementally and record them for comparison.
Use this aluminum rear upright when replacing worn items or when evaluating rear suspension tuning changes on an Auper D6 on-road car.
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