BOX Three Prime 9 Shifter - 9-Speed, Single Shift, Matte Black Rear Derailleurs Manufacturer Part Number: SP24-17

Manufacturer Part Number: SP24-17

SOLO-XD XD/XDR and SOLO-SPLINE Single Speed Conversion kit carrier systems only

UPC: 696260129751

UPC: 817496015452

Manufacturer Part Number: 180-003-003

BOX Three Prime 9 Shifter - 9-Speed, Single Shift, Matte Black Rear Derailleurs Manufacturer Part Number: SP24-17The Box Three shifter combines performance and value at an affordable price point. It makes good use of nylon composites in both top and bottom shells as well as the levers. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. Prime 9 is also terribly forgiving so you won't have to constantly adjust your set up. Prime 9 technology offers the same range as a 12 speed drivetrain, with fewer gears