Shimano Sora RD-R3000 Rear Derailleur (Black) (9 Speed) (Short Cage) (SS)

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The Shimano Sora RD-R3000 Rear Derailleur is a reliable and affordable 9-speed derailleur. Taking use of technology from previous higher end Shimano derailleur, the derailleur punches above its weight class when it comes to performance. Comes in short and medium cage sizes to work with a wide range of cassettes.


  • Compatible with Shimano 9-Speed STI levers
  • Fluoric coated link bushings
  • Aluminum bracket body
  • Painted finish
  • Stainless steel B-axle

Speed: 9 Speed
Shifter Compatibility: Shimano Road & Mountain
Shift Mechanism: Cable Actuated
Max. Tooth: 32T (Short Cage), 34 (Medium Cage)
Min. Tooth: 11T
Chain Wrap Capacity: 37T (Short Cage), 43T (Medium Cage)
Cage Material: Steel
Chain Retention: -
Color: Black
Weight: -

This product was added to our catalog on May 2, 2019

Monday, Mar 22 2021 (about 2 years ago)
Shimano Sora RD-R3000 Rear Derailleur (Black) (9 Speed) (Short Cage) (SS)
Converted an old 52 x 39 front chain ring road bike with 11-27 cassette and 9 speed Ultegra derailleur using this SORA RD-3000 GS (Medium Cage) and a swap to a 12-32 cassette. No need for a compact 50 x 34 Compact crankset expense. New chain, new derailleur and new cassette and now I can climb with a 39x32=32.57 gear inch. Almost as good as the 34x27=33.63 gear inch. Can always go back to the old setup as well. Try it, you will like it! (The short cage SORA will not work, you need the Medium cage).