This Factory Pro O-AP0008 accessory is an RC-scale rear axle height adapter built for use with Tamiya F103, F104 and RM01 on-road chassis. It locates at the 1/4 bearing seat to allow small, repeatable changes to rear axle height so you can dial in rear ride height and balance without swapping major suspension components.
Compatibility is limited to the Tamiya models listed; check the bearing seat dimensions on your specific chassis version before fitting. This item is intended for hobby and track tuning of electric on-road models only.
Installation is straightforward for those used to on-road maintenance: remove the rear axle supports, place the adapter onto the bearing seat to the desired position, then reassemble using the existing fasteners. Make only small adjustments and verify handling on a setup stand or during cautious test runs.
Use this adapter as a precise tuning tool to refine rear geometry and balance on compatible Tamiya on-road cars; test each change incrementally before finalising your setup.
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