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

BOX

Cosine Chainring

$49.95
Availability:
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BOX Cosine Chainring

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

 

REVIEW SNAPSHOT®

by PowerReviews
Option Barcode Manufacturer's Part Number Vendor Number
Black / 40t 00639266089858 BX-CR144B40T-BK QBP-CR3565
Black / 42t 00639266089872 BX-CR144B42T-BK QBP-CR3567
Black / 44t 00639266089896 BX-CR144B44T-BK QBP-CR3569