Pololu - Tamiya 70097 Twin-Motor Gearbox Kit

Tamiya’s twin-motor gearbox consists of two independent brushed DC motors and gearboxes in one compact housing, making it perfect for small robots. You can assemble the gearboxes to have a 58:1 or a 204:1 gear ratio.

Pololu 114 - Tamiya 70168 Double Gearbox Kit - Kamami on-line store

Pololu - Tamiya 70093 3-Speed Crank-Axle Gearbox Kit

Tamiya Double Gearbox Kit in Canada Robotix

Tamiya’s double gearbox packs two independent gear trains into a compact and affordable package that is great for small mobile robots. Each side can

Pololu - Tamiya 70168 Double Gearbox Kit

Tamiya’s double gearbox packs two independent gear trains into a compact and affordable package that is great for small mobile robots. Each side can

Tamiya 70168 Double Gearbox Kit

Tamiya double gear dedicated to small mobile robots. It is made of plastic modes that can be adjusted to two gears: 58:1 and 203:1. Pololu 61

Tamiya 70097 Twin-Motor Gearbox Kit - double gearbox with DC motors

Tamiya 70110 4-Speed Crank-Axle Gearbox Kit, POLOLU-68

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Pololu - Dual Chassis Completion Kit for RRC01A

Tamiya Twin-Motor Gearbox Kit

Pololu 73 - Tamiya 72004 Worm Gearbox Kit - Kamami on-line store

Encoder Pair for Tamiya Twin Motor Gearbox - RobotShop