Mick,
That sounds much like the Stronglight 105 crankset and would be from about 1976 until the very early '80's if memory serves me correctly (now that's a long shot!). Earliest 105's had "Stronglight" engraved at the top of the crankarm above the flute horizontally just like 93's; later 105's had the "Stronglight" forged vertically right into the center of the flute.
Eric Elman
Somers, CT
>
> I have just been given an old Dawes bike dating from I guess the mid 70's
to
> the early 1980's. This bike is equipped with some gen stuff but I am
> intrigued by the Stronglight chainset. The 5 arm spider is very like the
> Super-Competition 57 but the cranks have a single machine finished flute
> with the word Stronglight in a modern typeface. There are no other
markings
> bar the crank length stampings. I am hopeless on what to me is modern
stuff
> any ideas please.
> The frame is also equipped with the nice ITM plastic sleeved
> interchangeable seat pillar. This was a great idea for swapping the saddle
> and pin easily from bike to bike. Can you still purchase the inserts?
>
> Best wishes and be lucky. Michael Butler Huntingdon UK.