Looks like 1 1/8th with 1" quill style stem.
Here's someone who's done a conversion with one: http://tamingoftheblog.blogspot.com/2006/01/gt-talera-new-lease-on-life.html
@hippy started
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Looks like 1 1/8th with 1" quill style stem.
Here's someone who's done a conversion with one:
http://tamingoftheblog.blogspot.com/2006/01/gt-talera-new-lease-on-life.html