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Old 03-25-11, 07:32 AM   #1
NOS88
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The Colnago is still in the shop!

I wanted to swap out the 53/39 on my Colnago Master XL to a compact 50/34. It currently has a Dura Ace in it with Italian threads. Using a Park bottom bracket tool I took about three shots at getting the cups out and was not successful. Given the Colnago has such a great paint job, but one that chips easily, I took it off to my LBS. Well, they can't get it out either. It's now been three days soaking in an anti-seize agent and the drive side cup just doesn't want to move. I guess I wondering if additional time letting it soak will really make much of a difference. I appreciate their approach in wanting to be careful, but I starting to wonder if we'll ever get it out. Have any of you had experiences suggesting that more time and more anti-seize will really work? I'm looking for a ray of hope here.
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Old 03-25-11, 07:56 AM   #2
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Just got back from the bike show and Colnago had a huge booth. You just new a few more Colnagos in case one is in the shop; ride another one!
Or, a Cinelli would be a good companion for your Colnago. This one is titanium, which I hadn't seen in a Cinelli before.
And they could be friends because they both speak Italian (though maybe with a Taiwanese accent these days).

Rick / OCRR

PS: Yes, time and anti-seize really work. Sorry to say I have had that experience!
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Old 03-25-11, 02:00 PM   #3
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You need to change your method if the first thing didn't work. Try CAREFULLY heating the BB shell with a hair dryer. The paint should be able to take that much heat without scorching IF you're careful. The heat will expand the shell but not the cup. This may break it loose or allow penetrant into the threads.

Sometimes things need to soak for a long time.
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Old 03-25-11, 03:11 PM   #4
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What tool are they using? Does it look something like this: ?



Because, I'm thinking with a tool like that, secured from both sides of the cup, and additional leverage as needed from some added pipe, that cup should be coming off...eventually. Unless they're turning it the wrong way...
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Old 03-25-11, 03:34 PM   #5
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I've only had one BB fixed cup that I couldn't get out with traditional tools and liquid wrench. Fortunately it was on a frame that needed to be painted anyway so I took a torch to it and with lots of heat and a huge wrench I finally broke it free. It took half the threads with it when it came out so I needed to re-tap the BB for an oversize cup.
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Old 03-25-11, 03:44 PM   #6
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I thought exquisite Italian road bikes were like Rolls Royce cars. You replace the car when the ashtray is full, and you replace the bike when a tire goes flat. I guess you've had a lot of luck not getting flats?
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Old 03-25-11, 03:52 PM   #7
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Take a torch to the BB shell and let the metal expand.

Oh, I see that dck has done that with success. lol
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Old 03-25-11, 06:10 PM   #8
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Use the ARMY method.... Get a bigger hammer.
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Old 03-25-11, 09:19 PM   #9
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Quote:
Originally Posted by Ali_Pine View Post
Use the ARMY method.... Get a bigger hammer.
I used a similar method once with a stuck BB. But instead of a bigger hammer, I used a longer lever. I used a 15 foot section of TV antenna pole as an extension of the arm of the wrench and it came right out.
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Old 03-26-11, 12:53 PM   #10
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No heat, hammer or heartbreak needed. Patience pays off. The old one is out and the new one is in. It just took four days of letting the anti-sieze soak in.
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Old 03-26-11, 03:08 PM   #11
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No heat, hammer or heartbreak needed. Patience pays off. The old one is out and the new one is in. It just took four days of letting the anti-sieze soak in.
Let's hope they greased it well this time.
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