Sign up for our Newsletter!

Save 15% off Stay up to date with Events, Service Reminders, and all things Grizzly!

View our privacy policy and terms

Mon-Fri 10-6pm Sat-Sun 12-6pm

BOX Three Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Matte Black

The Box Three Prime 9 Rear Derailleur is a simple, but fully-featured and wallet-friendly rear derailleur. It includes a limited slip clutch, sealed bearing pulleys and a solid construction. It is compatible with 11-46 and 11-50t cassettes making it one o
On backorder
Ship it today? Order by 4:00p, Mon-Fri
Free sameday pickup Order by 6:30p, Mon-Sat
Delivery time: Please call for availability
  • Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through
  • The limited slip clutch engages instantly and offers constant torque for less chain slap, better chain engagement and no dropped chains
  • Stamped front and rear cage
  • Direct channel cable stay
  • Bearing pulleys
Ho Hassle Returns
Ho Hassle Returns
Not happy with your purchase? Ship it back to us on the house.
Have questions? Chat with an expert now