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●470 Belt Pulley Mount(11.5x6.4x9mm) x 2
●470 Belt Pulley(Φ4.5xΦ8x6.2mm) x 2
●470 Belt Pulley Spring(Φ4xΦ5.2x11mm) x 2
●Bearing 681ZZ-D2(Φ2xΦ4.5x2mm) x 4
●Socket Botton Head Screw(M2x8mm) x 2
●Innovative adjustable belt guide pulley, allows a convenient way to adjust the belt tension by releasing or tightening the screw. The screw is used to maintain optimal belt tension over time.
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