SHIMANO DEORE SIDE SWING Front derailleur Clamp Mount 2×11-speed FD-M5100-M


SHIMANO DEORE – Front derailleur – SIDE SWING – Clamp mount – 2×11-speed

The FD-M5100 2×11 front derailleur from SHIMANO allows for quiet and smooth shifting thanks to the SIDE SWING technology. The new design offers improved cable routing, smoothness and more clearance for large wheels and short chainstays.




  • Smooth and quiet shifting at the front of the trail
  • More powerful upshifts
  • Wider traction area reduces chain dragging on full-suspension wheels
  • Extra-large 2x gear range with 36-26 teeth at the front
  • Greater clearance for tying
  • Compatible with 2.3-inch tires on wider rims
  • A specification for 48.8 mm & 51.8 mm chainline
  • Available in different options
  • Available in D, E, and M mounting options
  • *An adapter (ø34.9 mm) is required for Type M mounts


GROUP DEORE M5100 Groupset
Color Serial color
Remark *Adapter size S is only available in OTC package.
Front gears 2
Rear gears 11
Compatible Chain LINKGLIDE, 11-speed HG
How it works|SIDE SWING
Axle mount|Clamp (mm)|28.6 – *
Axle mount|Clamp (mm)|31.8 X (with adapter size M)
Axle mount|Clamp (mm)|34.9
Type of train routing|Front Pull
Chainline (mm) 48,8/51,8
Chainstay angle (degrees) 66-69
Largest chainring 36T
Total 209
Angled lever pull adjustment screw
Angled clamping
Pivot bushings 4


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