SHM DEORE REAR 9 SPD  DERR SHADOW  Weight: 286g Intended Use: Mountain Cassette Spacing: Shimano/SRAM 9 Shifter/Derailleur Compatibility: Shimano Largest Cog: 36teeth Chain Wrap Capacity: 45teeth Derailleur Action: Top-Normal (Traditional) Color: Black Speeds: 9 Speed Cage Length: Long Cage