BOX Two Prime 9 Speed X-Wide Derailleur - 9 Speed PDP|Colour It's quick and easy to

It's quick and easy to set up and best of all folds down for easy storage or transport when not in use

Notch count and diameter: 16 notches and a 49mm diameter cup

Tool Interface: 5mm and 6mm hex key

11-46T 482-grams (claimed)

BOX Two Prime 9 Speed X-Wide Derailleur - 9 Speed PDP|Colour It's quick and easy toBOX shook up the drivetrain market last year with the release of their wide range 9 speed drivetrains. The prime 9 components are optimised for 11 50t cassettes without all the headaches of adjusting 12 gears. The Box Two Prime 9 rear derailleur is BOX's middle of the range Prime 9 offering. It includes many of the awesome features from the Box One derailleur but forgoes the adjustable clutch and uses bushing pulleys to be more wallet friendly. Who's