Gen 2 wide range 9 speed multi-shift group with up to 3 gears per shiftIncludes 2nd Generation 11-50 cassette, rear derailleur, shifter and chainDerailleur features Tri-Pack 2.0 limited slip clutch and improved shifting performanceShifter offers 2pc pull lever with up to 3 gears per shift and hinged clamp for easy installation11-50t cassette with ultra-wide ratio and consistent progressionGlass fiber / nylon composite, steel and aluminum constructionMatte black finishMatte BlackUPC/EAN/GTIN: 785249139796