Box Components | Box One Prime 9 X-Wide Rear Derailleur | Black | 9 Speed, Long Cage, 50T Max
Box Components | Box One Prime 9 X-Wide Rear Derailleur | Black | 9 Speed, Long Cage, 50T Max, BOX One Prime 9 X-Wide Rear Derailleur The One Prime 9 X-Wide derailleur is BOX's top of the line and best performing derailleur in their Prime 9 drivetrain lineup. It's been optimized to be used with BOX's massive 9-speed 11-50T cassette and utilizes a fully adjustable Tri-Pack clutch to properly tension and hold the chain in place. The forged inner and outer construction increases the durability of the derailleur, ensuring it'll shift for years to come. Sealed bearing pulleys keep the pulleys spinning smooth and improve the longevity of the derailleur. If you want nothing less than the best derailleur for your Prime 9 drivetrain then the One Prime 9 X-Wide derailleur is for you. Features Compatible with all Prime 9 drivetrain components allowing you to mix and match Optimized for BOX's 9-speed 11-50T cassette allowing you to utilize a massive range of gears Sealed bearing pulleys spin smooth and keep grime out Tri-Pack clutch keeps the chain tensioned and is full adjustable Forged inner and outer cage increases the derailleur's durability Compatible with standard derailleur hangers (non direct-mount) | Box Components | Box One Prime 9 X-Wide Rear Derailleur | Black | 9 Speed, Long Cage, 50T Max