Seat Tube Sizes

Questions about purchasing bicycles and parts

Seat Tube Sizes

Postby MountGower » Fri Jun 22, 2007 5:43 pm

All
Last edited by MountGower on Tue Feb 15, 2011 11:29 am, edited 1 time in total.
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by BNA » Fri Jun 22, 2007 5:53 pm

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Postby sogood » Fri Jun 22, 2007 5:53 pm

Campag has 32mm and 35mm versions. So I guess that's pretty standard.
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Postby heavymetal » Fri Jun 22, 2007 6:04 pm

After trying to locate a suicide plate, their clamp sizes come in 29.5, 32 and 35mm sizes, so I presume these are the common sizes for the down tube.
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Postby MountGower » Fri Jun 22, 2007 6:39 pm

Thanks for that fellas.
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Postby 531db » Sat Jun 23, 2007 10:27 pm

Standard external seat tube diameters are 28.6mm (1 1/8"), 31.8mm (1 1/4") and 34.9mm (1 3/8").
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