Tamiya 70239 42T/12T Gear Set - Workshop Essentials  [70239]

Tamiya 70239 42T/12T Gear Set for custom RC and STEM use

The Tamiya 70239 42T/12T Gear Set is a useful resource for model makers and RC hobbyists working on custom drives or educational builds. These components originate from the Tamiya 70093 3-Speed Crank Axle Gearbox and serve well for repairing or prototyping gear systems.

Fitment and Components

Included are two 42T/12T gears, two 38T/12T gears, a 42T final gear and a separate 12T pinion. The gears are produced to a 0.5 module standard, which supports compatibility with many Tamiya construction parts. The kit also contains bushings, shafts and small fixings to aid assembly.

Use Cases for Model Makers

Ideal for classroom projects, workshop experiments or small model gearboxes, this set offers straightforward integration and consistent meshing. It provides builders, from novices to experienced hobbyists, with dependable parts for testing gear arrangements.