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Highest quality front sprocket made of SCM415 steel. Produced on super precise computer controlled machines. Symbol: JTF1371 or SUNF-412 Number of teeth: 16 Chain type: 525
Highest quality front sprocket made of SCM415 steel. Produced on super precise computer controlled machines. Symbol: JTF1371 or SUNF-412 Number of teeth: 16 Chain type: 525
