-20%New
This gear is covered with a more comprehensive, spindle, single, double, crown gear, pulley, rack, bevel gear, copper gear, bushings, axles, tires, rubber bands, and so on.
1. 36mm yellow 2mm hole drive pulley, rack, four times teeth, tooth hole 2mm fan gear, 28 and 30-100-mm five of the wheel axle turntable, 30mm diameter!
2. Axle length has 30mm, 50mm, and 70mm, 70mm, the diameter of the shaft is 2mm, each 2 root.
3. Five of the wheel hub: outer diameter of 30mm, inner hole 2mm, only four.
4. Most gears is 2mm bore (tight or loose), except for 1 81.5A pinholes are 1.5mm, there are 2 crown 2.5mm, 1 gear crown, C303A is 3mm, 1 15 teeth 2.3mm hole and 3.17mm hole.
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