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Old 10-01-10, 05:05 PM   #1
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1994 Specialized Stumpjumper M2 FS threaded headset --> threadless?

I posted this in the mountain bike forum, but no one there seems to answer my questions. Sorry for the re-post.

I'm thinking about buying one of these. It looked like an awesome bike, but he said there might be issues with the fork. Since it's so old, I figured I would just replace the fork. But here's the catch: it uses a threaded headset.

So my question is: could I put a threadless headset into this frame (and therefore run a new fork)? It's one of those "welded metal matrix composite" frames. Anyone know about these or ever done something similar? I want the bike, but I also want to be able to put a new fork in it if the original is trashed.

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Old 10-01-10, 06:34 PM   #2
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In 1994 all headsets used press-in cups so the Specialized would too.

To go from threaded to threadless you need a new fork with the correct steerer diameter, a threadless headset of the correct diameter, a new stem and some spacers. It's a very straight-forward job if you know how to remove and install headsets or relatively inexpensive if your LBS does it.
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