Skip to main content

Happy Spring! We are *open* Memorial Day from 11a - 4p. *New* Spring hours: M-F 11-6, SAT 10-6. (Closed Sunday). Check out our 2022 stock of Breezer, Marin, Fuji and SE for commuters, gravel crunchers, BMX and recreational riders. Do we have the Marin DSX Flatbar Adventure bikes in stock? Yes! As of April 1, we offer repair priority to folks who set up appointments. To schedule a repair appointment, click thru to our online appointment system below. COVID-19 is still a risk. We ask that clients be masked and vaccinated when they enter our store. We commit to returning that favor. Questions? E-mail us at laurelcyclery@gmail.com or text/call us at 510-328-1158.

BOX Four Prime 9 Wide Rear Derailleur

BOX Four Prime 9 Wide Rear Derailleur
  • Cage Length: Short Cage
$82.95
Cage Length:
Short Cage
Color:
Black
Speeds:
8-speed
Please select options

Details

The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly.

Part Numbers

Option UPC MPN
Short Cage / Black / 8-speed 639266097402 BX-DR4-08AWC-BK

Reviews