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BOX Cosine Chainring

BOX Cosine Chainring
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Shoot! This product is not currently in stock at our store. However, we really appreciate you shopping local and we would be happy to special order it for you. We may also have something comparable in stock. To check on availability or a substitute please give us a call at 907-780-2253.


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

Part Numbers

Option UPC MPN Store SKU
Black / 40t 639266089858 BX-CR144B40T-BK BOX21492729T
Black / 42t 639266089872 BX-CR144B42T-BK BOX26624988K
Black / 44t 639266089896 BX-CR144B44T-BK BOX2638535K