Shimano XTR RD-M9100 12-Speed Rear Derailleur

Shimano XTR RD-M9100 12-Speed Rear Derailleur

Item: SHIRD1


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£175.99 inc VAT
RRP £189.99



  • Optimized for new drive system
  • 10-45T (12-speed)
  • 10-45T (11-speed)
  • Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear
  • Add bumper at rear derailleur pulley cage
  • Bigger 13T pulley
  • 10-51T (12-speed)


  • Enhance shifting performance
  • Silent drivetrain
  • Low profile design
  • Low sprocket combination

Product Specifications

  • MODEL NO - RD-M9100-SGS
  • SERIES - XTR M9100 Series
  • Average weight - 240 g
  • Compatible chain - CN-M9100
  • Direct attachment (Conventional) - X
  • Fluoric coated link bushings - 8
  • Low sprocket_Max. - 51T
  • Low sprocket_Min. - 45T
  • Max. front difference - 0T
  • Pulley_G pulley bearing - Sealed Bearing
  • Pulley_Sunken type pulley bolt - X
  • Pulley_Teeth - 13T
  • Pulley_T pulley bearing - Sealed Bearing
  • Pulley cage - SGS
  • Rear speeds - 12
  • Top-Normal spring type_SHADOW RD+ - X
  • Top sprocket_Max. - 10T
  • Top sprocket_Min. - 10T
  • Total capacity - 41T

Note: The Shimano XTR 12 Speed shifter and rear derailleur will work with a Sram Eagle 10-50T 12 speed cassette. This is useful if you don't wish to change you wheel/hub in order to use the new Shimano Micro Spline freehub body


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If you are not completely satisfied with your goods you may return them within 60 days for a full refund or exchange. All items returned must be in 'as new' condition and be complete with their original packaging. Please make sure the packet is packaged well and do not stick anything directly to the item's packaging which could damage it. For further information please see our Returns Information page

Product Features

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