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2*30mm pulley small pulley, DIY motor wheel can cover silicone wheel leather, plastic model wheel drive wheel

price:USD$0.80
discount 70% in 2018-07-16 to 2018-07-18
price: USD$ 0.56
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
Minimum Order Quantity:16
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A pulley with a diameter of 3 centimeters,The aperture 1.9mm is tightly coupled with the 2mm axis. The transmission structure can be made, and it can also be used as a small wheel.

[total od]: 30mm

[overall thickness]: 7mm

[edge thickness]: 3.7mm

[center hole]: 1.9mm (axis of tightly coupled 2mm)

[other aperture]: 2.05mmThe shaft of loosely coupled 2mm

[reverse flat hole]: 3.4*5.3mmAdaptive TT motor

Shipping list: 1

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