This assembly kit creates a compact high speed gearbox with ABS plastic case and polyacetal (POM) low-friction gears for superior efficiency. The motor is sandwiched between the two sides of the gearbox, and provides power via its pinion and two spur gears. Use the 4mm shaft in different positions depending upon your needs.

• Dimensions: 52mm x 45mm x 28mm (assembled)
• Gear ratios = 11.6:1, 18:1.
• Motor included.