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7638 Clairemont Mesa Blvd.
San Diego, CA 92111

858-384-2867

1020 - A2 Tierra Del Rey
Chula Vista, CA 91910

619-656-5222

Call One of Our Bike Experts To Answer Your Questions 1-855-619-BIKE(2453) International Hablamos EspaƱol
 
 
 
 
 
 
 
> Our Gear > Components > 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
    Black / 40t 639266089858 BX-CR144B40T-BK JBI-210909
    Black / 42t 639266089872 BX-CR144B42T-BK QBP-CR3567
    Black / 44t 639266089896 BX-CR144B44T-BK QBP-CR3569
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