Rear Derailleur Alivio RD-M3100

The Shimano Alivio RD-M3100 derailleur incorporates Shadow RD technology to keep the derailleur safe from trail obstacles

FEATURES

• Super low profile Shadow RD technology
  Largest sprocket 36
  Rear Derailleur Mount Type: Shimano Direct Mount Rear, 10x1 Standard
  Chain Wrap Capacity (teeth) 45
  Maximum Front Difference: 22
  Cage Length: Long
  Rear Der/Shifter Compatibility: Shimano Mountain
  Drivetrain Speeds: 9
  Color: Black