Box One Shift Cable Housing chain Our unique inner link spacing

Our unique inner link spacing is engineered to grab those modern wide/narrow chainrings

and reliability at a great price point

Our derailleur still has the Limited Slip clutch but now arrives with a more compact cage

View Prime 9 Drivetrain Compatibility Manual

Box One Shift Cable Housing chain Our unique inner link spacingUpgrade your shifting performance with our Box One Shift Housing, designed to deliver smooth and consistent shifts for any drivetrain. This premium housing is compatible with Box One, Box Two, Shimano, and SRAM setups, and is an excellent upgrade for your Box Three or Box Four systems. Our housing is engineered to work perfectly with slick coated stainless steel inner cables, providing superior performance in any conditions. Laboratory tests have