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Framebuilders Thinking about a custom frame? Lugged vs Fillet Brazed. Different Frame materials? Newvex or Pacenti Lugs? why get a custom Road, Mountain, or Track Frame? Got a question about framebuilding? Lets discuss framebuilding at it's finest.

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Old 04-06-07, 07:42 PM   #1
Mos6502
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Mono chain and seat stays.

My old Columbia has a mono chain stay (the chainstays are actually one tube which is formed like an extremely tall U and then joined at the bottom of the U to a short tube which connects to the BB) and I always thought this was peculiar, it seemed to be that this would be given to more side to side flexing than conventional chain stays.
Now I'm seeing a lot of new bikes that have these mono seat and chain stays - are they stronger/lighter or somehow better than the traditional designs? I'm just wondering what the reason behind this is.
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Old 04-06-07, 09:03 PM   #2
LWaB
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Cheaper to manufacture, mostly.
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Old 04-07-07, 12:22 AM   #3
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They are cheaper, some respects they also work out well in situations where the exact part you are after may not be available: really large bikes, possibly some 29er projects, or specialty things like the Bike Friday, or super long stay touring bikes.
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