Old 03-18-19, 11:34 PM
  #4  
Litespeedlouie
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Join Date: Sep 2007
Location: Seattle
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Bikes: Litespeed, O'Brien, Specialized, Fuji

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I have an 88 Allez and the catalog for that year. It looks like they state the same general geometry for both frames; the frames in the photos look the same except for paint. Tange Cro-Mo is inferred, but I have no decals or other proof, except on the unicrown fork, which does have Tange decals.

Of course, there are major differences - the Allez had a unicrown fork and Shimano 600 Ultegra (not the seatpost).
The Sirrus had a cast fork crown, and Shimano 105. The saddles pictured are different. Both came with Biopace rings and toeclips.
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