BOX Two Prime 9 Speed X-Wide Derailleur - 9 Speed PLP|Largest Cog The above list is the

The above list is the official list from Stans

and piston

Ascorbyl Palmitate

M-XL: The standard size (fits chests from approximately 84-120cm)

BOX Two Prime 9 Speed X-Wide Derailleur - 9 Speed PLP|Largest Cog The above list is theBOX 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