DISRAELI GEARS

microSHIFT M55

microSHIFT M55 derailleur main image

The microSHIFT M55 has a certain style. Perhaps it is a touch derivative of a SRAM design, and the inner parallelogram plate would not be out of place on the tackiest Chinese copy of a Shimano Tourney - but these things apart, the M55 looks and feels pleasant.

Another interesting effort from microSHIFT.


  • Derailleur brands: microSHIFT, manufactured by SunRace
  • Country: Taiwan
  • Date of introduction: 2007?
  • Date of this example: 2007?
  • Model no.: M55
  • Weight: 227g
  • Maximum cog: 34 teeth (source: microSHIFT)
  • Total capacity: 45 teeth (source: microSHIFT)
  • Pulley centre to centre: 98mm
  • Index compatibility: 9 speed
  • Chain width: 3/32”
  • Logic: top normal
  • B pivot: two pivots, front sprung and rear unsprung
  • Materials: Largely aluminium (including the hanger bolt), with plastic front knuckle and steel inner parallelogram plate.
microSHIFT M55 derailleur additional image 01

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