SRAM X4 Long Cage Rear Derailleur 7 8 9 Speeds Black Max 34t Cassette 1:1 Pull FREE shipping within United States Buy Online Only Share Loading Facebook Like button... SRAM X4 Long Cage Rear Derailleur 7 8 9 Speeds Black Max 34t Cassette 1:1 Pull FREE shipping within United States Buy Online Only Share Loading Facebook Like button...