Old 03-18-19, 11:44 AM
Catching Smallmouth
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Join Date: Oct 2013
Location: In a boat
Posts: 477

Bikes: 1990 Specialized Sirrus Triple, 1985 Trek 460, 2005 Lemond Tourmalet, 1984 Schwinn LeTour 'Luxe, 1988 Trek 400T, 1985 Trek 450, 1997 Lemond Zurich, 1993 Diamond Back Apex, 1988 Schwinn Circuit, 1988 Schwinn Prologue, 1978 Trek TX700, Sannino

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Depends on the year. My '85 Allez and my '86 Sirrus are identical in weight and as near as I can tell geometry. My '90 Sirrus differs slightly in geometry but weight is the same as the two older bikes. My '93 Allez is significantly lighter. If I were looking for a bike and found a Sirrus that fit I would grab it.

My 85 Allez and 86 Sirrus are both 56 C to C on both the TT and ST. Angles are 74/74. The 90 Sirrus and 93 Allez both measure 56 center to top on the ST and 56 C to C on the TT. Angles are 73/73. As far as I know these are all 56cm frames.

I hope this is of some use.

Last edited by BradH; 03-18-19 at 07:39 PM. Reason: More info
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