2 points sprocket 10-100 tooth spot 04C micro motor sprocket chain mechanical transmission processing custom No. 45 steel

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Material:
45 gauge steel
Origin:
Chinese mainland
Color classification:
2 minutes 10 teeth 2 minutes 11 teeth 2 minutes 12 teeth 2 minutes 13 teeth 2 minutes 14 teeth 2 minutes 15 teeth 2 minutes 16 teeth 2 minutes 17 teeth 2 minutes 18 teeth 2 minutes 19 teeth 2 points 20 teeth 2 points 24 teeth 2 minutes 25 teeth 2 minutes 20 teeth 2 minutes 30 teeth 2 minutes 35 teeth 2 minutes 40 teeth 2 minutes 45 teeth 2 minutes 50 teeth 2 minutes chain 1.5 meters
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