This spur adaptor suits the TB-03 chassis and is listed as TB03-14. Turned from 7075 aluminium, the component is intended to replace the original spur adaptor to raise local stiffness and reduce play where the spur gear mounts.
Fitting is straightforward for TB-03 cars using the standard adaptor format. The unit locates to the existing spur interface and keeps the original arrangement, so installation is about correct seating and confirming mesh rather than changing mount points.
For tuning and servicing the aluminium adaptor helps maintain consistent gear engagement after repeated runs and under higher stresses than softer parts, making it a pragmatic upgrade for reducing intermittent slop when adjusting setups.
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