$9.89 (as of 21/04/2018 11:34 PDT details )
Features:
- 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 , in addition to a 81.5A spindle hole is 1.5mm, two crown is 2.5mm, a crown gear C303A is 3mm, a 15 teeth 2.3mm hole and 3.17mm hole.