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Spokes Naperville Both locations will be closed for Labor day 9/4
 
 
 
 
 
 
 
> 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 Store SKU
    Black / 38t 00639266089834 BX-CR144B38T-BK BTI-BX5838 92193
    Black / 40t 00639266089858 BX-CR144B40T-BK QBP-CR3565
    Black / 42t 00639266089872 BX-CR144B42T-BK QBP-CR3567 92784
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