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Cycle Loft. Since 1976
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43 Middlesex Turnpike
Burlington, MA

781.272.0870

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> Bicycling Catalog > Parts > 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 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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CYCLE LOFT
43 Middlesex Turnpike 
Burlington, MA 01803
(781) 272-0870
Contact Us

(Mailing Address)

HOURS
Weekdays 10-8
Saturday 10-7
Sunday 12-6


WE SUPPORT THE CYCLING COMMUNITY

Cycle Loft is a proud supporter of several local, regional and national cycling advocacy organizations. These organizations are tirelessly helping to improve the quality of cycling opportunities and the health of your independent bicycle dealership network. We encourage you to visit their sites to learn more.

Eastern Fat Tire Association
International Mountain Bike Association
League of American Bicyclists
Lexington Farmers’ Market
Light Electric Vehicle Association

MassBike
National Bicycle Dealers Association
New England Mountain Bike Association
People for Bikes
USA Cycling
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