
Trident Engineering Planetary Gearbox, 35:1 Gear Ratio, 3.37 Nm Maximum Torque

Trident Engineering Planetary Gearbox, 236:1 Gear Ratio, 6.75 Nm Maximum Torque

GP BATTERIES GP312G-C1 Non-rechargeable Battery, Greencell, Single Cell, Zinc Chloride, 4.5 V, 1289, Flat Top
GP BATTERIES GP380AFHHB Rechargeable Battery, Single Cell, Nickel Metal Hydride, 3700 mAh, 1.2 V, 7/5AF, Solder Tab