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Highest quality front sprocket made of SCM415 steel. Produced on super precise computer controlled machines.
Symbol: JTF1591 or SUNF421
Number of teeth: 15
Chain type: 525
Highest quality front sprocket made of SCM415 steel. Produced on super precise computer controlled machines.
Symbol: JTF1591 or SUNF421
Number of teeth: 15
Chain type: 525
