Tamiya TB-03 Aluminium 7075 Spur Gear Adaptor by 3Racing TB03-14  [TB03-14]

Tamiya TB-03 TB03 Aluminium 7075 Spur Gear Adaptor - 3RACING TB03-14
Price:
USD$5.90
Brand:
3Racing
Model:
TB03-14
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Aluminium Spur Gear Adaptor for TB-03

This is an RC-scale spur gear adaptor made for the Tamiya TB-03 platform, produced by 3Racing as part number TB03-14. Machined from 7075 aluminium, the part is intended as a direct replacement for the stock spur adaptor to increase rigidity at the spur gear location and reduce play in the drivetrain.

Installation is straightforward for TB-03 assemblies that accept the standard spur adaptor form factor. The adaptor fits onto the existing spur gear interface and retains the original layout, so installation focuses on seating the part correctly and verifying gear mesh and alignment rather than altering mounting points.

For tuning and maintenance the adaptor helps keep gear mesh consistent after repeated runs and under higher loads compared with softer materials, making it a practical upgrade when refining drivetrain behaviour or reducing intermittent slop during setup changes.

Is this compatible with other Tamiya models?

It is designed for the TB-03 chassis interface; compatibility with other models depends on their spur adaptor dimensions and mounting, so check fitment before assuming interchangeability.

Will this change gear ratio or pinion fit?

The adaptor does not alter gear tooth counts, so it does not change ratio; it affects the mounting and stiffness at the spur, so confirm pinion-to-spur mesh after installation.

How should I inspect the adaptor during maintenance?

Check for secure seating, no visible deformation at the mounting faces, and consistent gear mesh under rotation; replace if threads or bearing seats show wear.

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