Shimano Deore 11s RD-M5100-SGS Rear Derailleur - 1x11-speed

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  • Regular price $63.95

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The Shimano Deore RD-M5100-SGS rear derailleurs offer consistent MTB shifting performance thanks to years of Shimano design innovation. 

  • SHIMANO SHADOW RD+ chain stabilizing system (clutch):
    • keeps chain taut, reducing both noise and damage to chainstay
    • is lighter and more efficient than roller chain-guide systems 
    • toggles on and off for easier maintenance.
  • Reduced chain tension in low gear chain position (on large sprocket) ensures a silent drivetrain in all gears.
  • Hidden away, low-profile design helps avoid derailleur damage.

RD-M5100-SGS - SHADOW RD+ 1x11-speed
Lowest (Largest) Cassette Sprocket: 11-51T ONLY
Features a larger, 13T pulley

Our thoughts:

M5100 Series is a really great offering from Shimano if you want to breathe some life into an HG freehub system. 

If you're looking for a 12 speed DEORE derailleur, that's the DEORE RD-M6100.