DISRAELI GEARS

Retroshift BURD CX

Retroshift BURD CX derailleur main image

The Retroshift BURD CX was a cyclocross specific rear derailleur 'designed' in muddy ol' Portland, Oregon. The design process involved starting with a respectable microSHIFT derailleur, upgrading its pulley wheels (there was a choice of Shimano Ultegra or FSA units with ceramic bearings) and increasing the tension on the p-pivot spring.

Because cyclocross is hard on parts, it was very important to Retroshift that the resulting derailleur should be inexpensive, and they even went so far as to promise to rebuild any derailleurs for $34.

Just for your information, Retroshift was rechristened 'Gevenalle' in 2014, BURD stands for 'Blatantly Upgraded Rebranded Derailleur' and CX stands for Cyclocross.

It's a likeable piece.


  • Derailleur brands: Retroshift, manufactured by microSHIFT
  • Country: USA, manufactured in Taiwan
  • Date of introduction: 2013
  • Date of this example: unknown
  • Model no.: unknown
  • Weight: 201g
  • Maximum cog: 28 teeth (source: Retroshift)
  • Total capacity: 33 teeth (source: microSHIFT)
  • Pulley centre to centre: 56mm
  • Index compatibility: 10 speed Shimano compatible
  • Chain width: 3/32”
  • Logic: top normal
  • B pivot: sprung
  • P pivot: sprung
  • Materials: Aluminium, commendably with no major steel parts
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