Three gear ratios are possible with this 3-Speed Crank Axle Gear Box. Gear it for power or speed. Durability and reliability are attained with high-quality gears and gear case. A FA-130 motor and wiring cord are included. Gear Ratios: 16.1:1 58.1:1 203.1:1.
Specifications:
Approximate dimensions of gearbox body with installed motor: 2.8" x 1.95" x 1.52" including the extruded bearing and mounting screw tabs.