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Old 06-13-09, 02:28 PM
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peripatetic
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Join Date: Oct 2004
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Bikes: All 70s and 80s, only steel.

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Multiple threads on this topic, do a search under my screen name. Drilling involves gradually increasing the size of the bits. It's time-consuming and you need the right bits. Many bike shops can do it, though I think they charge somewhere around $40-$80 or more to do it. Another approach is using lye to dissolve the aluminum out. That also takes time. I think user timcupery did this with a stuck stem (far less metal involved) that was successful. Good luck.
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