31 LOCK NUT GB/T 889.1-2000 M8 6
32 Twist The Fixings φ20.5*34 1
33 LEFT CRANK 170*27 1
34 CRANK COVER φ56*28 1
35 BEARING 6004ZZ 2
36 RIGHT CRANK 170*27 1
37 NUT GB/T 41-2000 M10 2
38 FIXING NUT 2 GB/T 802-1988 M12X1.25 2
39 FIXING BOLT M6*58 2
40 NUT GB/T 889.1-2000 M6 2
41 SCREW 1 GB/T 845-1985 ST4.2*19 11
42 SCREW 2 GB/T 15856.1-2002 ST4.2X19 4
43 SCREW 3 GB/845-85 ST4.8X13 2
44 OUTER CHAIN COVER 654*263*49 1
45 LITTLE CHAIN COVER 108*37*3 1
46 AXIS φ20*162 1
47 LONG FIXING TUBE φ25*φ20.2*41.2 1
48 SHORT FIXING TUBE φ25*φ20.5*12 1
49 INNER CHAIN COVER 451*260*2 1
50 CHAIN P=12.7(106 1
51 CHAIN WHEEL P=12.7,Z=52T 1
52 WASHER 2 φ20*φ14*2.0 3
53 SPRING 1 Φ18*62 1
54 Screw rod Φ13.5*175 1
55 BOLT GB/T 5780-2000 M8*40 2
56 PU WHEEL φ50*23 2
57 FIXING TUBE φ16*φ12.2*56.2 1
58 FIXING NUT 2 M12X1.25 H=6 2
59 FIXING TUBE φ16*φ12.1*35 1
60 BEARING 6001ZZ 2
61 FLYWHEEL φ453*72 1
62 FLYWHEEL SHAFT φ12*160 1
63 DOMED NUT GB/T 802-1988 M10 1
64 FLAT WASHER2 35*20*2.0 1
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