This was the form of SunTour V GT Luxe that was most familiar to British cyclists. I think it looked dandy, with the black background behind the branding and its black allen bolts.

I first came across this derailleur in 1977 (I think) when Raleigh introduced a bike called a Sun GT10XL, done out in matte black and gold (very John Player Special). It sported this gear, a 14 to 28 freewheel and a 42/52 SR cotterless aluminium chainset. As I remember it, this Japanese equipped Sun bike sold for £10 less than another Raleigh bike, a European equipped Carlton with a comparable frame, a steel Huret Svelto derailleur, a 14 to 24 freewheel and a  weird steel cottered chainset that I remember as some kind of ‘half-step’ (perhaps 44/50). Needless to say, Raleigh did not sell many (any?) of the Carltons.

When it introduced the Sun, Raleigh was not sure that the British consumer would accept Japanese bicycle equipment - which is partly why it was all branded ‘Raleigh’. Their uncertainty did not last long.

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1. •Brand: Raleigh, manufactured by SunTour
   

2. •Country: UK, manufactured in Japan
   

3. •Date of introduction: 1977?
   

4. •Date of this example: 1980 (two letter date code is WH)
   

5. •Model no: unknown
   

6. •Weight: 249g
   

7. •Maximum cog: 34 teeth
   

8. •Total capacity: 36 teeth
   

9. •Pulley centre to centre: 65mm
   

10. •Index compatibility: friction
    

11. •Chain width: 3/32”
    

12. •Logic: top normal
    

13. •Pivots: two pivots, front sprung and rear unsprung
    

14. •Material: aluminium
    

0315/K