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Glue buildup on tubular rims

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Glue buildup on tubular rims

Old 10-06-11, 12:35 PM
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Glue buildup on tubular rims

A while back I picked up some Cosmic Carbone Pro wheels that already had Gatorskin Sprinter tires on them. Personally I was not impressed with the ride quality of the GS, and decided I would just train on them till they wore out. Recently one spoke on the rear wheel backed itself out [didn't break or strip threads, just un-threaded I think]. Obviously they had to take the tyre off to re-true the wheel, but I had just purchased new tyres from PBK, two of which are Vittoria Corsa Evo-Cx, yeah me. Anyway I am going to have the new tires glued on, but there is a significant amount of glue residue on the wheel still. The wrench at the LBS says leave it, like windshield glue, new tyres glue better when there is a base layer to which it can adhere.

Question: Is there any reason to remove the buildup? It's not a smooth even film, more chunky and sparatic. I know it will do negligible damage to balance, but considering the work required to remove it... if they were your wheels: would you remove the glue?
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Old 10-06-11, 12:40 PM
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fwiw I have the same wheels, love them...if you do a search you'll find tons of posts regarding tubular content.

if it were me Id take the time to remove the old glue if it was clumpy. Its a bit time consuming but some acetone will do the trick.
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Old 10-06-11, 12:41 PM
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Originally Posted by hammy56
fwiw I have the same wheels, love them...if you do a search you'll find tons of posts regarding tubular content.

if it were me Id take the time to remove the old glue if it was clumpy. Its a bit time consuming but some acetone will do the trick.
With the acitone: is there is no risk of damaging the resin used to bond the carbon?
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Old 10-06-11, 12:44 PM
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Back in the day when I used sewups the remover of choice was toluene. I bet it's carcinogenic.

If it's just tiny little clumps I would leave it alone.
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Old 10-06-11, 12:44 PM
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from what Ive been told, no...I believe the acetone is carbon friendly. Ive had no issues personally.
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Old 10-06-11, 01:16 PM
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Use Goof-off. Acetone is OK, but I found a combination of both to work well. Zipp recommends Goof-off, so I figure they know what they are talking about. It is a PITA, but nice to get the build up off, and start fresh once in awhile for sure. Questions, see the installing tubular video on youtube from Zipp...or actually, the removing tubulars video they have, covers all you need to know.
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Old 10-06-11, 01:46 PM
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Lol...if you watch the Zipp video...its almost a one week process to glue your tubulars on.
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Old 10-06-11, 02:54 PM
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There's a guy who regularly, and I mean regularly, reglues tires. He wants things pristine before he glues. He uses Contractor's Solvent. He spritzes it on every hour or so, after 8-10 hours there's no glue left on the Zipps.
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Old 10-06-11, 05:12 PM
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FYI -
look up posts on carbones.... they are a carbon FAIRING I thought, and whatever is under the fairing does not like certain solvents.... at least from my recollection when I was wondering this a year or two ago.

and as for me... unless there is dirt, grit, and I can pick it off by hand, I am leaving that glue on there. Each year removing my tires (both for road and the CX season), I find that its getting harder and harder to remove... maybe Im gluing better, but I think the extra layers of glue help as well.
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Old 10-06-11, 05:18 PM
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Originally Posted by milnerpt
FYI -
look up posts on carbones.... they are a carbon FAIRING I thought, and whatever is under the fairing does not like certain solvents.... at least from my recollection when I was wondering this a year or two ago.

and as for me... unless there is dirt, grit, and I can pick it off by hand, I am leaving that glue on there. Each year removing my tires (both for road and the CX season), I find that its getting harder and harder to remove... maybe Im gluing better, but I think the extra layers of glue help as well
.
the carbone pros are not a fairing.
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Old 10-06-11, 05:23 PM
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Originally Posted by I <3 Robots
Lol...if you watch the Zipp video...its almost a one week process to glue your tubulars on.
Stupidiest thing I've heard at best!!

Leave the old glue alone. No beneficial reason to remove it really and no down side to leave it. I run tubulars only and have seldomly over the years removed the old glue from the rims.
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Old 10-06-11, 05:49 PM
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Originally Posted by I <3 Robots
Lol...if you watch the Zipp video...its almost a one week process to glue your tubulars on.
I watched that, I am impressed clean... glue, wait a day, glue, wait a day, glue, wait a day, attach tire, wait a day. Then again there is a bloke who uses tape and stretches the tire using his broken leg boot... just after watching the ZIPP video it is funny that they say NEVER stretch with your foot! It voids the warranty!.. and here this guy is saying it's the right way to do it... then that tape is just as strong as glue.

You tube is obviously not the source of absolute knowledge, but there is accurate stuff in there ... sometimes.
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