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Threadless Stem(3 posts)

Threadless Stemoldbike
Jan 11, 2002 2:19 PM
I have purchased an older new bike frame that has never been built up. The stem is 1" steel with the top 1"
threaded. Was this intended to be used with either a threadless stem or a threaded stem? The bike frame
is a Y-foil77 and there is enough unthreaded steerer to have a threadless headset on it.
Thank you for any thoughts on this.
re: Threadless StemTJeanloz
Jan 11, 2002 2:30 PM
It was intended to be threaded. If it is the correct fork for the frame, there shouldn't be enough unthreaded area to attach a threadless stem- and it isn't a really good idea to do this anyways.
Steel threaded stem?Kerry Irons
Jan 11, 2002 5:26 PM
I think you mean the steerer tube is 1" threaded steel. There should be only enough of the steerer tube showing to thread on the head set. It sounds like your steerer tube needs to be cut to the proper length. You can't/shouldn't use an unthreaded stem with a threaded steerer tube - the threads cut in the steerer tube make it likely to break under the load of the stem.