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Shimano Deore XT FD-M8100 Double Front Derailleur

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Mech OptionSide Swing

Shimano is a Japanese multinational corporation synonymous with cycling. Constituting 50% of sales in the global cycling market, and with their parts spanning across all types of bicycle, it is a highly reputable business that is constantly developing and innovating its assets.

Shimano Deore XT FD-M8100 Double Front Derailleur
Shimano Deore XT FD-M8100 Double Front Derailleur Shimano Deore XT FD-M8100 Double Front Derailleur Shimano Deore XT FD-M8100 Double Front Derailleur

The Shimano Deore XT M8000 series front derailleurs deliver light action, and confidant, secure shifting for aggressive trail riding. They offer an extra wide gear range with a front double 36-26 Tooth combination.


Side Swing Front Derailleur

Horizontal movement follows the chain direction - smooth & efficient front shifting effort

More tire clearance for larger wheels

  • No linkage behind seat tube
  • Freedom to reduce chainstay length

50% more powerful outward shifting (FD-M9020)

Wider chainstay angle increases traction range (FD-M9020)


  • Lightweight 12-speed double MTB derailleur for smooth gear changes
  • Designed specifically with modern trail bikes in mind, Shimano XT side swing technology front derailleurs increases tyre clearance by 15mm, while new cable routing resulting in the lightest shifting action yet
  • Side pull cable routing
  • Reinforced light weight chain guide adds rigidity and improved response
  • Wider pivot link increases torsional rigidity
  • Easy access angled adjustment screws and clamp bolt
  • Angled inner chain guide tail for increased tyre clearance
  • For use with 12-speed MTB drivetrains
  • Band on frame design comes with band clamp and necessary shims for all band dimensions
  • Specifically developed for 68 and 73mm bottom bracket shells, with a 48.8mm or 51.8mm chain line
  • 66-69 degree chainstay to seat tube angle range
  • 36-38 tooth outer ring compatible

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