ALAMSCN 78 PCS Plastic Gear Kit Motor Gears Accessories Single Double Reduction Worm Gear Set for Toy Motor Car Robot with Axle Wheel

This gears kit can be used to create custom gearboxes to transfer motion, change output shaft speed, increase torque, and any number of other gear like functions. Different types of gears have different purposes, this gear pack contains the axles, tires, gears, and bushings that everyone is looking forward to. There are copper gears, bevel gears, racks, and 2.3mm and 3.17mm gears, so there is always something that can be used! The gears and pulleys are for use with most small hobby motors and our 2mm and 3mm shafts. Axle: length of 30mm, 50mm, 70mm, 100mm, shaft diameter is 2mm, 2pcs / kind, for a total of 8 Pcs. Wheels: outer diameter 30mm, inner hole 2mm,for a total of 4 Pcs.