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March hours: M-F 11-6, SAT 10-6. (Closed Sunday) Our 3/18 Parklet Dedication Party has been postponed. Stay tuned for our new date. Need bike service? Click on below to set up an appointment to check in your bike! Welcome to former Lucky Duck, Cycle Sports and Hank and Frank customers. Our staff is ready to serve you. Mention any of these classic Bay Area shops, may they rest in power, and save 10% on your first visit to us. Questions? E-mail us at laurelcyclery@gmail.com or text/call us at 510-328-1158.

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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