ITEM NAME:78Pcs Plastic Gear Package Kit DIY Gear Assortment Accessories specification: The gear kit includes: main shaft, single/double crown gear, pulley, rack, bevel gear, copper gear, bushing, axle, tire, rubber band, etc., and more accessories for DIY toy car/robot/motor. The axle length is 30mm, 50mm, 70mm, 100mm, the axle diameter is 2mm, 2 pcs/type, total 8 pcs Five wheels: outer diameter 30mm, inner hole 2mm, total 4 Gear features: 36mm yellow 2mm hole pulley, rack, four-wheel drive, 28-tooth 2mm hole fan gear and 30-100mm gear shaft, five-wheel diameter 30mm! Multi-purpose, can be used for fixed toys, very suitable for diy science and small production, product design and mechanical models. Most gears have a 2mm aperture (tight or loose), except for an 81.5A spindle hole which is 1.5mm, two crowns are 2.5mm, and one crown gear C303A is 3mm, and a 15 tooth is 2.3mm hole and 3.17mm hole. Package Included: Axle: 2 X 30mm; 2 X 50mm; 2 X 70mm; 2 X 100mm Grinding wheel: 4 (outer diameter 30mm, inner hole 2mm) Pulley combination packaging: 6mm; 9.3mm; 13mm; 16.8mm; 19.6mm; 15.5mm; 18mm; 24mm; 36mm Rubber band: 1 piece CDD2 * 50; 1 piece CDD2 * 70; 1 piece 30mm; 2 pieces 45mm; 1 piece 40mm Crown gear: 2.5mm x 2, 3mm (C303A) x 1 Package includes: 78 gear parts and gear installation tools.The gear kit includes: main shaft, single/double crown gear, pulley, rack, bevel gear, copper gear, bushing, axle, tire, rubber band, etc., and more accessories for DIY toy car/robot/motor. Most gears have a 2mm aperture (tight or loose), except for an 81.5A spindle hole which is 1.5mm, two crowns are 2.5mm, and one crown gear C303A is 3mm, and a 15 tooth is 2.3mm hole and 3.17mm hole.
