In an answer to Lou Deeter Sheldon Brown wrote (snipped):
> At 2:57 PM -0400 8/8/06, loudeeter@aol.com wrote:
>>I just got a book that has some dates of introductions for on-topic
>>Shimano componentry. Here are some of the highlights:
>>
>>1973: First generation Dura-Ace, with Crane Derailleur.
>>1976: Dura-Ace 10 components, featuring a new 10mm chain pitch standard,
>>introduced for track.
>>1978: Dura-Ace EX group is introduced. Interesting features include an
>>11 tooth cog and a freehub that takes cassette cogs.
>>1980: Dura-Ace AX introduced. Aerodynamic features, including the delta
>>brakeset.
>
> See also my Dura-Ace page: http://sheldonbrown.com/
I wonder about my centerpull brakes from 1972 (I think), clearly marked Dura-Ace. Where do they fall into the history. Not worthy of their name? (But they do brake well).
Olof Stroh loving centerpulls in
Uppsala Sweden