DISRAELI GEARS

SunTour Cyclone all black (5902 1st style)

SunTour Cyclone all black (5902 1st style) main image

With a clever cable route, a relatively low price, exceedingly light weight and with a great shift, the SunTour Cyclone was a miracle. To this day the Shimano Dura-Ace is heavier than this Cyclone - proof of the simple purity of the single-sprung pivot slant parallelogram design.

The first style of SunTour Cyclone had a simple, free, short hanger bolt. It is the lightest Cyclone - this one weighs in at 176g. This is an unusual all black example. You don't often see these.


  • Derailleur brands: SunTour
  • Categories: SunTour - the Cyclone story
  • Themes: Ultra-lightweight - road racing models
  • Country: Japan
  • Date of introduction: 1975
  • Date of this example: weirdly 1974 (two letter date code is QG)
  • Model no.: 5902
  • Weight: 176g
  • Maximum cog: 24 teeth (hanger 29mm or less) or 28 teeth (hanger 32mm or more) (Source: SunTour)
  • Total capacity: 24 teeth (hanger 29mm or less) or 26 teeth (hanger 32mm or more) (Source: SunTour)
  • Pulley centre to centre: 46mm
  • Index compatibility: friction
  • Chain width: 3/32”
  • Logic: top normal
  • B pivot: unsprung
  • P pivot: sprung
  • Materials: aluminium
SunTour Cyclone all black (5902 1st style) additional image 01
SunTour Cyclone all black (5902 1st style) additional image 02
SunTour Cyclone all black (5902 1st style) additional image 03
SunTour Cyclone all black (5902 1st style) additional image 04
SunTour Cyclone all black (5902 1st style) additional image 05
SunTour Cyclone all black (5902 1st style) additional image 06
SunTour Cyclone all black (5902 1st style) additional image 07
SunTour Cyclone all black (5902 1st style) additional image 08
SunTour Cyclone all black (5902 1st style) additional image 09
SunTour Cyclone all black (5902 1st style) additional image 10
SunTour Cyclone all black (5902 1st style) additional image 11
SunTour Cyclone all black (5902 1st style) additional image 12
SunTour Cyclone all black (5902 1st style) additional image 13
SunTour Cyclone all black (5902 1st style) additional image 14
SunTour Cyclone all black (5902 1st style) additional image 15
SunTour Cyclone all black (5902 1st style) additional image 16
SunTour Cyclone all black (5902 1st style) additional image 17
SunTour Cyclone all black (5902 1st style) additional image 18
SunTour Cyclone all black (5902 1st style) additional image 19
SunTour Cyclone all black (5902 1st style) additional image 20
SunTour Cyclone all black (5902 1st style) additional image 21
SunTour Cyclone all black (5902 1st style) additional image 22
SunTour Cyclone all black (5902 1st style) additional image 23
SunTour Cyclone all black (5902 1st style) additional image 24