Standard sprocket series(Stock Bore)

SB(stock bore)(Single, Double and Triple Strand) 
 1/4X1/8, 06B, 081B, 083B, 085B, 03B,04B,05B,06B,08B, 10B, 12B, 16B, 20B, 24B, 32B

*If any size you requested are not listed, please check with us.

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