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> Bicycling Catalog > Parts > Chainrings > BOX > Cosine Chainring
 
BOX Cosine Chainring

BOX Cosine Chainring

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$49.95
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Product Details

BOX Cosine Chainring

- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear

 
  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Vendor Number
    Black / 38t 00639266089834 BX-CR144B38T-BK HAW-391028-01
    Black / 40t 00639266089858 BX-CR144B40T-BK HAW-391028-03
    Black / 42t 00639266089872 BX-CR144B42T-BK HAW-391028-05
    Black / 44t 00639266089896 BX-CR144B44T-BK HAW-391028-07
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