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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-03-05, 11:34 PM   #1
dmarcoul
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stripping down a schwinn continental

so im stripping down a schwinn continental, from the 70's, and i cant for the ****ing life of me, get the stem out or the headset loose - is there something special i should know? or a particular lube/oil that might work well at loosening things up?

also, the bottom bracket on that? how do i get that out?
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Old 08-04-05, 12:53 AM   #2
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Is it corroded badly? Liquid Wrench is good for freeing seized threads.

Sometimes you have to tap lightly on the stem with a rubber mallet or something soft between hammer and stem.
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Old 08-04-05, 01:29 AM   #3
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Try the standard method first; back the stem bolt out enough to clear the stem by a bit, and whack it with a hammer. A lot of times the wedge will be really "wedged" in there.
You don't usually have to hit it very hard, just enough to separate the wedge from the stem proper.
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Old 05-26-06, 08:59 PM   #4
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Hello, I have a similar problem - however the wedge has separated well enouugh (well i I have managed to retreive it from the bottlom of the steerer tube).

My Problem is that the stem (alloy) seems to have fused with the steel tube. Can I just apply brute force ? Or will likely damage the bike.

So far I have tried to knock the stem with a hammer (I am replacing it and an not too concerned if I end up damageing it if thats what it takes), I have also put thin oil around the "fused" area.

Any help would be most welcome.

Last edited by aussiepug; 05-27-06 at 06:59 AM.
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