Save a little cash with this Box Three cassette paired to the durable Box Two derailleur, shifter and chainWide range 9 speed multi-shift group with up to 3 gears per shiftIncludes Box Three cassette, Box Two rear derailleur, Box Two shifter and chainUltra-wide ratio with consistent progressionShifter offers 2pc pull lever with up to 3 gears per shiftGlass fiber / nylon composite, steel and aluminum constructionMatte black finishMatte BlackUPC/EAN/GTIN: 785249137631