Bottecchia fan
Join Date: Aug 2003
Location: Colorado Springs, CO
Posts: 3,520
Bikes: 1959 Bottecchia Milano-Sanremo (frame), 1966 Bottecchia Professional (frame), 1971 Bottecchia Professional (frame), 1973 Bottecchia Gran Turismo, 1974 Bottecchia Special, 1977 Bottecchia Special (frame), 1974 Peugeot UO-8
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Is the Peugeot UO8 series frame really designed for 650B wheels?
I've thought about this for a while and never really come to a satisfactory answer. All of the bikes in this series (AO8, AE8, UO8, UO18, UE8, UE18, etc.) come with 27-inch wheels. The corresponding French models have different model numbers but seem to vary from 700C to 650B depending on the model. Because of the different model numbers and the fact that I don't have an actual French market bike available to compare, I can't really tell. But if you look the picture below of my UO8 setup with 27-inch wheels and 27x1 3/8 tires. Look at where the wide point of the tire is relative to the indentations in the chain stays fr tire clearance. They don't line up at all. Even a 700C is only 4mm smaller in radius so I don't think that would line up either. But a 650B just might. I'm going to take some measurements and see how it works out. What do you guys think?
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1959 Bottecchia Milano-Sanremo(frame), 1966 Bottecchia Professional (frame), 1971 Bottecchia Professional (frame),
1973 Bottecchia Gran Turismo, 1974 Bottecchia Special, 1977 Bottecchia Special (frame),
1974 Peugeot UO-8, 1988 Panasonic PT-3500, 2002 Bianchi Veloce, 2004 Bianchi Pista