What's worst than a seized seatpost?
06-11-21, 05:02 PM
#1
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What's worst than a seized seatpost?
Having your LBS to work on it and ... 
Last edited by jonny7; 06-11-21 at 11:09 PM.
06-11-21, 05:06 PM
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Did they charge you to do that?
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06-11-21, 05:09 PM
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06-11-21, 05:24 PM
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No they didn't! Great people actually. Just sucks for the frame..
06-11-21, 05:25 PM
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Wow. That is truly stink-eriffic
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06-11-21, 05:37 PM
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Sometimes there are no winners 
06-11-21, 10:05 PM
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Photo is from an outside site associated with spy-gle, that probably requires an account / login. Doesn't show up from an anonymous device/browser. Such issues go away when one uses the BF-hosted gallery system
06-11-21, 10:16 PM
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Rats
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06-11-21, 10:37 PM
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Oh man, they must have really done a number on it. Those Canada Pugs are usually tough as nails!
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Owner & co-founder, Cycles René Hubris. Unfortunately attaching questionable braze-ons to perfectly good frames since about 2015. With style.
Owner & co-founder, Cycles René Hubris. Unfortunately attaching questionable braze-ons to perfectly good frames since about 2015. With style.
06-11-21, 10:53 PM
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Perhaps Mercifully...
...I see nothing.
(My answer was going to be "...a stuck seatpost, stem, and bottom bracket." (Each of which I managed to free over a two week period.) Haste makes waste.)
(My answer was going to be "...a stuck seatpost, stem, and bottom bracket." (Each of which I managed to free over a two week period.) Haste makes waste.)
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06-12-21, 12:41 AM
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OUCH! That won't buff out.
06-12-21, 01:33 AM
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The reason you don't use a gas torch to burn out the post or expand the seat tube is you want to preserve the paint If you're going to use enough force to break the frame you obviously don't care about the paint work. So what gives? A wet towel will restrict paint damage down to six inches from the post clamp no matter how much you cook it.
06-12-21, 05:39 AM
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It really wasn't much of a joint anyway. Looks like it was just butted and brazed, with no lug and very little filler material. I'd forgive the shop for the poor outcome. On the other hand, it would be easy to rebraze it.
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My C&V Bikes:
1972 Bottecchia Professional, 1972 Legnano Olympiade Record,
1982 Colnago Super, 1987 Bottecchia Team C-Record,
1988 Pinarello Montello, 1990 Masi Nuova Strada Super Record,
1995 Bianchi Campione d'Italia, 1995 DeBernardi Thron
06-12-21, 06:03 AM
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Is that one of those internally "inexternal" brazed guys? Or just a fillet braze?
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1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
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06-12-21, 06:15 AM
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Last edited by T-Mar; 06-12-21 at 06:23 AM. Reason: added image
06-12-21, 06:32 AM
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For most frames the main usefulness of lugged construction is economy. The tubes can be cut with no or little regard to angle and mitres, and the lug takes (some/most/all) of the actual stress at the joint - the metal there doesn't have the thickness of lug+tube,
Brazing works because the bronze alloy forms a solid solution with the surface of the base metal. Within limits, the closer the fit, the stronger the bond. Lugs are often a fairly sloppy fit, sometimes deliberately so.
The quality of brazed joints is undeniably variable, especially considering the market at which Peugeot was aiming.
So because they had the resources and production capability to make accurately mitred joints with tubing to their own specs they had something to work with.
06-12-21, 06:34 AM
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So that could be a reasonably easy fix without the lug to worry about?
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1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
06-12-21, 07:03 AM
#21
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I dunno - those stays look tig welded. Canada-made Pugs I've seen are from after the "internally brazed" era, and are tigged. But we can't see an intact joint on the bike to know for sure.
That said, based on the one picture and a small amount of optimism that the rest of the joint is cracked similarly, any framebuilder or really anyone competent with a torch could make quick work of fillet brazing that back together.
That said, based on the one picture and a small amount of optimism that the rest of the joint is cracked similarly, any framebuilder or really anyone competent with a torch could make quick work of fillet brazing that back together.
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Owner & co-founder, Cycles René Hubris. Unfortunately attaching questionable braze-ons to perfectly good frames since about 2015. With style.
06-12-21, 12:52 PM
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How would one determine the nature of the joint? And the feasibility of the reparation?
