Rear Derailleurs Sort By: Default Title - A to Z Title - Z to A Price - lowest first Price - highest first Time Added - latest first Popularity - most popular first Sales - best selling first Shimano Deore XT Rear Derailleur 10 Speed M780 The latest M780 Deore XT derailleur takes a radical redesign to produce the lightest... $129.95 Shimano Deore XT Rear Derailleur 9 Speed M770 The Shadow XT derailleur is renowned for its smooth operation and reliability. Shimano... $139.95 Shimano Saint Rear Derailleur 9 Speed M810 Available in both Medium and Short cage lengths, the Shimano Saint derailleur uses... $189.95 Shimano SLX Rear Derailleur 10 Speed M663 The Dyna-Sys SLX rear derailleur is a solid choice for your 10 speed drivetrain.... $119.95 Shimano SLX Rear Derailleur 9 Speed M662 The Shadow low-profile design keeps the SLX derailleur out of harms way. A super... $99.95 Shimano XTR Rear Derailleur 10 Speed M980 The lightest XTR derailleur yet. 175 grams of Dyna-Sys shifting technology from Shimano $279.95 Shimano XTR Shadow Plus Rear Derailleur 10 Speed M985 New for 2012 is the M985 XTR Trail derailleur that features a dramatically stronger... $319.95 SRAM X0 DH Rear Derailleur 10 Speed Specifically designed for DH drivetrains, the SRAM X0 DH derailleur gets a super... $259.95 SRAM X0 Rear Derailleur 10 Speed The business end of the SRAM X0 2x10 groupset, the new rear derailleur carries the... $259.95 SRAM X0 Rear Derailleur 9 Speed The awesome X0 rear derailleur that started it all. Fully rebuildable and strong... $249.95 SRAM X9 Rear Derailleur 10 Speed Available in Long, Medium and Short cages for any 10 speed setup, the SRAM X9 shifting... $119.95 SRAM X9 Rear Derailleur 9 Speed Continually evolving, the X9 Rear Derailleur is lighter and more refined than ever.... $119.95 SRAM XX Rear Derailleur The lightest, most refined SRAM derailleur yet. Get onto XX components for the fastest... $299.95   Ok