Skip to main content
PA
PALO ALTO
2011 El Camino Real
Palo Alto, CA 94306
Phone: (650) 853-3000
Open: Mon-Fri 11-7 Sat 10-7 Sun 10-6
Like The Bike Connection on Facebook! 
SF
SAN FRANCISCO
1090 Folsom St
San Francisco, CA 94103
On-Site Parking
Phone: (415) 934-8000
Open: Mon-Fri 11-7 Sat 10-7 Sun 10-6
Like The Bike Connection on Facebook! 

BOX Cosine Chainring

BOX Cosine Chainring
$54.99
Color: Black
Size: Select size
Please select options Unavailable

Details

- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear

Part Numbers

Option UPC MPN
Black / 38t 639266089834 BX-CR144B38T-BK
Black / 40t 639266089858 BX-CR144B40T-BK
Black / 42t 639266089872 BX-CR144B42T-BK
Black / 44t 639266089896 BX-CR144B44T-BK

Reviews