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Please call to verify bike and component inventory. 

Due to high demand for bikes and components, availability on our website may not reflect current stock.

BOX Cosine Chainring

BOX Cosine Chainring
$49.95
Color:
Black
Please select options

Details

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

Part Numbers

Option UPC MPN
Black / 40t 639266089858 BX-CR144B40T-BK
Black / 42t 639266089872 BX-CR144B42T-BK
Black / 44t 639266089896 BX-CR144B44T-BK

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