Do you have access from below? Could you drill/easy out the bolt back up the stem then draw the tapered nut down a bit, till the stem is freed up? How long is the steerer?
Gene Powell Rad Finishes Portland, Oregon USA
On Apr 19, 2008, at 8:02 AM, Kerrigan Bennett wrote:
> Well, the bolt really is aluminum. Actually, the only other 1R that
> I have
> also had an aluminum quill bolt when new, but I replaced that one
> with a
> steel bolt. Maybe an unnecessary precaution, because I know plenty of
> people have used these for years without problems -- Chuck Schmidt
> among
> them, according to the archives.
>
> This is probably a good place to remind listers about Jack Bissell's
> Cinelli
> stem and bars timeline at: http://www.43bikes.com/
>
> An excellent resource. Thanks, Jack. Interestingly, the stem in
> question
> had the earlier "Cinelli" face plate, but it did have an aluminum
> quill
> bolt.
>
> I may not be able to save the stem body if drilling doesn't go as
> smoothly
> as I plan, but at least I'll have some 1R spare parts. The stem is
> about
> 2cm too short for me and not particularly pristine, so I can live
> without
> it.
>
> Any other strategies would be appreciated, though.
>
> Kerrigan Bennett
> Pleasant Hill, CA USA
>
> -----Original Message-----
> From: Howard Darr [mailto:hdarr@embarqmail.com]
> Sent: Saturday, April 19, 2008 7:42 AM
> To: 'Kerrigan Bennett'; classicrendezvous@bikelist.org
> Subject: RE: [CR]Cinelli 1R stem with cracked quill bolt
>
>
>
> K Bennett wrote <then using a drift punch to tap the shaft of the
> quill bolt
> to loosen the quill expander.>
>
>
> Tap away but you might be tempted to use the biggest maul
> available :-) If
> it is really an alloy bolt it could bend fairly easily. That would be
> really messy.
>
>
> Howard Darr
> Kinsman OH USA