DIY Robot Tanks

Description: Size: 21.5mm x 11.8mm x 22.7mm Weight: 9 grams No-load speed: 0.12 seconds / 60 degrees (4.8V) Stall torque: 1.2 - 1.4 kg /...
Description: Material: Aluminum alloy Wheel: Metal Track: Plastic Size: about 290mm x 270mm x 100mm  Output speed: 150±10%rpm No_load current: 200mA (Max) Stall current: 4500mA(max)...