Box components Box Two Prime 9 X-Wide Multi Shift Group Set Matte Black

Gen 2 wide range 9 speed multi-shift group with up to 3 gears per shift. Includes 2nd Generation 11-50 cassette rear derailleur shifter and chain. Derailleur features Tri-Pack 2.0 limited slip clutch and improved shifting performance. Shifter offers 2pc pull lever with up to 3 gears per shift and hinged clamp for easy installation. 11-50t cassette with ultra-wide ratio and consistent progression. Glass fiber / nylon composite steel and aluminum construction. Matte black finish