Tamiya 70239 42T/12T Gear Set - Builder Pack  [70239]

Tamiya 70239 42T/12T Gear Set for education and model making

The Tamiya 70239 42T/12T Gear Set supplies a neat array of gears for model makers focused on classroom projects or experimental builds. These parts were originally part of the Tamiya 70093 3-Speed Crank Axle Gearbox and are handy when assembling basic gear systems or modifying kits.

Item Details and Sizing

The package includes two 42T/12T gears, two 38T/12T gears, a 42T final gear plus a 12T pinion. All gears are produced with a 0.5 module standard to suit a variety of Tamiya components. The set also contains bushings, shafts and small fixings to help fast installation into frames or test rigs.

Where to Use These Gears

From classroom prototypes to small mechanical models, this gear set gives the adaptability needed for different layouts. The parts mesh cleanly and provide dependable operation for learners and seasoned builders alike.