Skip to main content

Winter hours: M-F 11-6, SAT 10-6. (Closed Sunday) Welcome ALL! We've got youth bikes. 16, 20 and 24 inch bikes are in stock. AND, we have special buy one-time deal on e-scooters - $395. When they're gone, they're gone. Donate to our online campaign here! 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 Store SKU
Black / 38t 639266089834 BX-CR144B38T-BK 210000011239
Black / 40t 639266089858 BX-CR144B40T-BK
Black / 42t 639266089872 BX-CR144B42T-BK
Black / 44t 639266089896 BX-CR144B44T-BK

Reviews