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©2019 by Centennial Park Cycles


  • Wide link top normal Deore rear derailleur
  • Top normal return spring lends to incredibly intuitive operation when combined with Rapidfire shifters
  • Large 11 tooth pulleys are used for longer life
  • Two fluorine-coated link bushings for low-friction operation
  • 8 and 9-Speed compatible
  • Compatible With: 28-34T low sprocket
  • Average Weight: 299 grams

Shimano RD-M591 Deore 9 Speed Rear Derailleur