SKU : 412 MOTOR GEAR SET 78PCS.
- The most complete 78 PCS (71kinds) for DIY Car Robot Project, which always meets different requirement.
- Package includes main shaft gear, single/double gear, crown gear, pulley, rack, bevel gear, copper gear, bushing, axle, tire, rubber band, etc.
- The most distinctive gear is: 36mm Yellow 2mm Hole Belt Pulley, Rack, Four-wheel Drive Teeth, 28 Punched Holes 2mm Fan Teeth, 30-100mm Axles, 30mm Diameter Five Hub Wheels.
- Axle: the length is 30mm, 50mm, 70mm, 100mm and the diameter is 2mm (2pcs of each size). Five hub wheels: the outer diameter is 30mm and bore size is 2mm (4pcs).
- The aperture of most gears are 2mm (tight or loose), except for one 81. The spindle hole is 1.5mm, two crowns 2.5mm, a crown gear C303A is 3mm, a 15 teeth 2.3mm hole and 3.17mm hole.