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BOX Cosine Chainring

BOX Cosine Chainring

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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 / 40t 00639266089858 BX-CR144B40T-BK QBP-CR3565
    Black / 42t 00639266089872 BX-CR144B42T-BK QBP-CR3567
    Black / 44t 00639266089896 BX-CR144B44T-BK QBP-CR3569
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