Ofmega Mistral ‘Maglia Rosa’

Ofmega Mistral 'Maglia Rosa' derailleur main image

The Mistral has its enthusiastic fans - who claim it is made of a ‘hi-tech polymer’ - not ‘plastic’ (like a despised Simplex). It is a genuine, high quality, precision, cycling product, not a sex toy.

This particular Mistral has an adjustable cable outer stop, 52mm long parallelogram arms (note the large space between the adjustment screws) , a steel hanger bolt and sprung pivot cover and weighs 195g. Perhaps the longer parallelogram arms give the capacity to take a bigger cog and to cover a freewheel with more cogs, but I have not been able to find any reference to an alternative spec.

The pink colour is fantastically cool in a Barbie kind of way, but is supposedly a homage to the Maglia Rosa (pink jersey) worn by the leader of the Giro D’Italia.

  • Derailleur brands: Ofmega
  • Themes: A riot of colour
  • Country: Italy
  • Date of introduction: 1982
  • Date of this example: unknown
  • Model no.: 0505?
  • Weight: 195g
  • Maximum cog: 28 teeth (Sutherland’s 4th edition)
  • Total capacity: 24 teeth (Sutherland’s 4th edition)
  • Pulley centre to centre: 46mm
  • Index compatibility: friction
  • Chain width: 3/32”
  • Logic: top normal
  • B pivot: two pivots, one sprung and one unsprung
  • Materials: plastic with an aluminium inner pulley cage plate
Ofmega Mistral 'Maglia Rosa' derailleur additional image 01
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