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Shimano Black Altus Rear Derailleur RD-M310

Altus is a 8 / 7-speed MTB-style component group for city-sport and mountain bikes. In addition to an excellent cost-performance value Altus provides a feeling of "easy control" that inspires confidence, especially among novice cyclists and younger riders..


  • Shimano Altus Rear derailleur compatible with all Shimano 7 & 8 Speed shifters
  • Advanced light action design
  • Direct frame fit.
  • SIS Rear index shifting
  • Megapulley oversize jockey wheel
  • Smartcage pulley plate
  • Max Sprocket 34T
  • Min Sprocket 11T
  • Weight:315 Grams