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  • Shimano RD-M6100 12-Speed Rear Derailleur

Shimano RD-M6100 12-Speed Rear Derailleur

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The all-new SHIMANO DEORE M6100 rear derailleurs deliver advanced shifting performance with decreased tension in the low gear position.

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Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.


  • 1x12-speed SHIMANO SHADOW RD+ rear derailleur
  • Fast and precise shifting for modern mountain biking
  • Silent drivetrain in all gear positions
  • Decreased rear derailleur and chain tension in low gear
  • Bigger 13T pulley
  • Stable drivetrain in rough terrain
  • Low-profile design avoids damage from rocks
  • Chain stabilizer reduces chain drop, slap and noise


Model No. RD-M6100-SGS
Series DEORE M6100 Series
Color Series color
Compatible chain HG 12-speed
Total capacity 41T
B-axle_Hollow axle Yes
Mount_Direct attachment (Conventional) Yes
Fluoric coated link bushings 7
Low sprocket_Max. 51T
Low sprocket_Min. 51T
Max. front difference 0T
Pulley_Sunken type pulley bolt Yes
Pulley_Teeth 13T
Pulley cage SGS
Top-normal spring type_SHIMANO SHADOW RD+ Yes
Top sprocket_Max. 10T
Top sprocket_Min. 10T
Rear speeds 12
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