product_title: SHIMANO RD-M591 Deore SGS Rear Derailleur (9-Speed, Long Cage, Black)
product_description: The Shimano Deore M591 SGS Rear Derailleur features direct cable routing and a strong guide spring to maintain chain tension and eliminate chainstay contact. Top-Normal shifting system is optimized for use with Shimano RapidFire shift levers and provides precise and rapid performance with a light shift effort.
product_bullet_point: Precise chain movement changes gears smoothly
  Direct Mount
  Light shift effort
  Maximum cassette capacity is 34T
product_brand: SHIMANO
product_text: SHIMANO RD-M591 Deore SGS Rear Derailleur (9-Speed, Long Cage, Black)
  SHIMANO
  Black
  The Shimano Deore M591 SGS Rear Derailleur features direct cable routing and a strong guide spring to maintain chain tension and eliminate chainstay contact. Top-Normal shifting system is optimized for use with Shimano RapidFire shift levers and provides precise and rapid performance with a light shift effort.
  Precise chain movement changes gears smoothly
  Direct Mount
  Light shift effort
  Maximum cassette capacity is 34T