70093 3-Speed Crank Axle Gearbox Set

Two DC motors & gears in a compact unit. Provides full forward-reverse-left-right action! Build with 1 of two different ratios: fast 58:1 or strong 203:1. Add your own wheel, hubs or tracks. Specifications: Size: 75 x 50 x 23 mm

Assemble a Double Gearbox (Left/Right Independent 4 Speed) with this Educational Construction Kit from the Tamiya GeniuSeries Suitable for Ages 10 & Older.FEATURES: Suitable for use with remote controlled robots. Left/right independent design means you can set different gear ratios for either side. This set can be assembled for 1 of 4 different gear ratios: 12.7: 1, 38.2:1, 114.7:1, 344.2:1 Hexagonal shaft. Motor cover and crank arm. Durably molded gear box case, gears and pinion gears. FA-130 type motor included with a torque of 3V. Detailed assembly guide.INCLUDES: (1) Double Gear BoxREQUIRES: Assembly Screwdriver Hobby Knife (RMXR6909)TamiyaPart TAM70168

It is a gear box of Techni Craft series enough, durability is that used in many robot contests machine in addition to the high accuracy of low transmission loss.Gear ratio of the four types to choose in reclassification of gear in the final stage and the intermediate, 4-speed power gear box HE is well suited for work that requires power and position change, the spur gear and exchange (10T, 12T) of the motor pinion you.Two positions can be selected as 4mm diameter output shaft of the threaded.I have also set hex hubs and crank arm. 260 type motor with.You can use the adapter parts, it can be mounted motor type 140 and type 130 motor (sold separately).