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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 03-16-12, 10:09 AM   #1
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Need a front derailleur hanger (braze) for aluminum seat tube

See picture for details.

I'm just throwing this out there...I really only need one of these and I've found that I can either buy 1 for around $4 and add $15 in shipping (seriously!?) or buy 5 of them for $25 shipped.

Neither seems like a great deal for me so I guess I'm wondering if anyone out there has a spare or two they wouldn't mind sending my way for $10 (1) or $15 (2). I'd also consider buying a set of 5 and then sending 3 of them to someone if they want to split the cost.

FYI, I'd love to just ditch a braze mount and go with a clamp but I have a very aero seatpost. I've already had a guy try to put a "brace" on it to attempt to strengthen the cracked tab but then that only lasted a few weeks...So this is my last option to save a really nice racing frame.

...and yes, that's a hideous purple chainring. I bought the cheapest 44T I could find to try and bridge the gap between 39 and 53 until I got this fixed.

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File Type: jpg IMG_20120314_163349[1].jpg (77.3 KB, 18 views)
File Type: jpg IMG_20120314_163343[1].jpg (80.9 KB, 16 views)
File Type: jpg IMG_20120314_163317[1].jpg (97.5 KB, 23 views)

Last edited by jordo_99; 03-16-12 at 10:16 AM. Reason: Added pictures
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Old 03-16-12, 02:56 PM   #2
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You need to weld Aluminum, not braze. Welding on Alu usually necessitates re-doing the heat treatment or suffer a reduction in strength to the tubing. You might want to consider replacing it with a rivit-on derailler hanger, attachment could also be further strengthened with a bit of epoxy.

Neat frame, I still have a EL-OS tubed Quattro Assi frame that I bought new and raced on back in the early 90's.
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Old 03-16-12, 03:20 PM   #3
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looks like the original must be bonded on
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Old 03-20-12, 03:45 AM   #4
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I repair aluminum frames and can repair it if you like. Here is a Casati that needed new shift housing stops

29 437 by frankthewelder, on Flickr

Last edited by ftwelder; 03-20-12 at 04:19 AM.
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Old 03-20-12, 09:39 AM   #5
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I'd just box it up and send it to Frank TW if you really want to save a "really nice racing frame."
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