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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 01-09-10, 03:41 PM   #1
Aaron_F
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Which is ligher -- lugged or lugless?

I've read contradictory statements saying each one is heavier than the other, so I'd like to know what's true.

Do you have to use thicker-walled steel tubing if you're going to braze, thus increasing weight? Or can you use the same tubing for either style?

Personally, I like the brazed look a little better than a lugged frame, but I could go either way when I build one. If one style is significantly lighter, though, it'll win in the end.
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Old 01-09-10, 03:51 PM   #2
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I don't really know. Conceptually welding is the lightest, then possibly silver brazing, then brass, then lugs. But I don't know the real answer because the tubing world was set up originally for people making lugged bikes, so the stock is designed around that use. There are also comon practices that would favour one or another. For instance welded frames often use a heavier head tube, but it isn't required. So which is heavier the possibility or the actual practice.

I doubt the differences will mater to you if you are considering a steel frame in the first place.
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Old 01-09-10, 05:21 PM   #3
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THIS THREAD on the Serotta Forums with contributions by well known framebuilders deals with your question in detail from different perspectives. Prepare to be entertained.
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Old 01-09-10, 05:33 PM   #4
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THIS THREAD on the Serotta Forums with contributions by well known framebuilders deals with your question in detail from different perspectives. Prepare to be entertained.
wow - the internet really is forever atmo.
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Old 01-09-10, 06:22 PM   #5
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Old 01-09-10, 08:31 PM   #6
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I've read contradictory statements saying each one is heavier than the other, so I'd like to know what's true.

Do you have to use thicker-walled steel tubing if you're going to braze, thus increasing weight? Or can you use the same tubing for either style?

Personally, I like the brazed look a little better than a lugged frame, but I could go either way when I build one. If one style is significantly lighter, though, it'll win in the end.
It sounds like you haven't built a frame before so I'll say this- building the lightest frame possible shouldn't even be a consideration for your first frame.
Just pick a joining method that's compatible with your tools/skills/aesthetics and go for it!
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Old 01-09-10, 09:16 PM   #7
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No, I haven't built before, but I'm also not going for the absolute lightest. My current welded steel frame is 5lbs, so as long as I stick under that, anything is fine with me.
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Old 01-09-10, 10:21 PM   #8
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No, I haven't built before, but I'm also not going for the absolute lightest. My current welded steel frame is 5lbs, so as long as I stick under that, anything is fine with me.
Aaron, I just finished this 61cm lugged frame yesterday. In fact, I'm still soaking the flux off. It's nothing special; it's built with Nova Supply generic double-butted .8/.5/.8 OS 4130 chromoly steel tubes and investment cast Long Shin lugs. It weighs 4.18 pounds.

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Old 01-10-10, 08:11 AM   #9
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Considering the size of it, that's a pretty good weight. I ride a 53cm, myself, so I could probably hit the 4lb mark before paint, which typically adds a quarter-pound or so. Could you link to where you buy your parts?
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Old 01-10-10, 09:17 AM   #10
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Could you link to where you buy your parts?
Nova Cycles Supply

This is my first frame and was built during one of Tim Sanner's one week basic framebuilding classes.
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Old 01-10-10, 03:18 PM   #11
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This is my first frame and was built during one of one week basic framebuilding classes.
Not meaning to hijack, but I remember you saying you would be taking his course this week and I was wondering how it went. Any plans for a rundown?

EDIT: Oh, and congratulations.
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Old 01-10-10, 07:17 PM   #12
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Not meaning to hijack, but I remember you saying you would be taking his course this week and I was wondering how it went. Any plans for a rundown?

EDIT: Oh, and congratulations.
Hey, thanks!

I started THIS THREAD in C & V, and plan to post updates as the frame is painted and gets built up.
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