Chainline: 48-53mm (Boost compatible) by every 0

Be sure the bosses on the spider "plug in" to the chainring

Ceramic bearings

Dynamic A/T: All-Terrain compound providing excellent rolling efficiency while maintaining a high-level grip to minimise power transfer loss

The pack comes with the bounce-free No Dancing Monkey™ 2

BOX Two eBike 9 Speed X-Wide Derailleur - Rear Derailleur - 9 Speed - Black PDP|PLP|Rail Material Chainline: 48-53mm (Boost compatible) byBOX 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