Joined: Aug 2010
Posts: 10,355
Likes: 10,025
From: Utah
Bikes: Paletti,Pinarello Monviso,Duell Vienna,Giordana XL Super,Lemond Maillot Juane.& custom,PDG Paramount,Fuji Opus III,Davidson Impulse,Pashley Guv'nor,Evans,Fishlips,Y-Foil,Softride, Tetra Pro, CAAD8 Optimo,
I will make this observation on my 531 Bob Jackson. Mine was a 53/54 CM range frame so not large. I got into a really fast (for me) chasing another rider. Speeds stayed in the 23-25 mph range and I could really feel it flexing under me. I was probably in the 180-190 lb range then.
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Steel is real...and comfy.