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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 09-15-10, 09:11 AM   #1
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Fillet Braze vs lugs

Is there a weight difference between lugs and fillet brazing? How about using a mix of lugs and brazing?
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Old 09-15-10, 10:09 AM   #2
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not much. With fillet brazing you need to reinforce the head tube and you should reinforce the seat tube at the top tube. The bb shells are a little lighter. It's pretty much a wash
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Old 09-16-10, 01:26 PM   #3
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+1. The lugs add extra mass, but it takes a fair amount of braze to build the joint up the way people like it with fillets. Silver fillet brazing, which is currently out of favour a little, is both light and low heat, as if the latter mattered for the most part. But it ends up looking like a tigged bike, and there have been allegations of cracking. From a practical perspective, if I didn't want a welded frame (so only so practical....) I would choose lugs unless the geometry dictated otherwise.
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