Tamiya 3-Speed Crank-Axle Gearbox Kit

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Tamiya’s 3-speed crank-axle gearbox looks very much like half of the twin-motor gearbox (with an added gear ratio option). This compact gearbox can be built in one of three gear ra tios (17:1, 58:1, and 204:1), and is Tamiya’s cheapest, general-purpose gearbox. Show more