2*30mm blue pulley small pulley diy motor wheel can be set silicone wheel leather plastic model wheel drive wheel
A pulley of 3 cm in diameter with a hole diameter of 1.9 mm and a 2 mm shaft. It can be made into a transmission structure or as a small wheel.
[Overall outer diameter]: 30mm
[Overall thickness]: 7mm
[Edge thickness]: 3.7mm
[Center hole]: 1.9mm (tightly fitted with 2mm shaft)
[Other aperture]: 2.05mm (loose with 2mm shaft)
[Back side flat hole]: 3.4*5.3mm (fit TT motor)
[shipping list]: 10 pcs
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