Shimano RD-M3020 Acera Rear Derailleur 7 / 8 speed SGS

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  • Regular price £37.99
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  • Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice
  • Oversize 13-tooth tension and guide pulleys to reduce noise and wear
  • Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
  • Top normal spring for use with Rapidfire shifters
  • IG and HG chain, 7- and 8-speed compatible
  • 7 / 8 Speed