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Steer tube from fork too long for head tube? Help!!

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Steer tube from fork too long for head tube? Help!!

Old 05-02-08, 04:37 PM
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spray2020
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Steer tube from fork too long for head tube? Help!!

long story short,

I am taking a vintage youth road bike frame and converting it so it can use 27 inch wheels.

I found a fork that will fit them, but the steer tube is too long for the head tube on the frame.

Any ideas of how I can get it to work? I was gonig to thread it in my schools metal shop, but they dont have the right tap size to fit the threads.
It would be needed to be threaded about an inch to an inch and a half lower down and then cut to fit.

OR-

could I take the adjustable top race and file the threads on it smooth, and slip it all the way into position, and use a long spacer, and then thread the lock nut down to secure it/hold everything in place?

OR-

could I convert it some how to use a threadless stem, since the steer tube is pretty much threadless in the area if I cut it to the right height? (the fork is made for a larger size frame)

this is a budget project I am building on the side, I just want to get the fork to work with the frame, if thats possible
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Old 05-02-08, 04:51 PM
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thatonedude
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um probably a bikeshop maybe can do this?
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Old 05-02-08, 05:00 PM
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any idea what they can do? Add more threads? hmmm maybe ill go and find out.
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Old 05-02-08, 05:25 PM
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add more threads.
i found a carbon fork i loved (steel steerer). it was pretty long, so my friend used a die from his shop. it was worn, so we talked to a friend at our local co-op instead.

Long story short: thread it, cut it, chase it. there are dies for this specific task.

in fact, you may just want to buy the tools yourself, if you think it may be worth it.
hozan makes a reasonably priced set.
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Old 05-02-08, 05:39 PM
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Originally Posted by sp00ki View Post
That tool is for a 1.25 inch steerer. I'm also guessing that the price tag might be beyond this project's budget. Any bike shop should have the proper die.
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Old 05-02-08, 05:48 PM
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I dont know why, but the steer tube- as it gets lower to the top of the fork feels like it isnt as round as it should be, maybe this is just my imagination?

I just acquired this fork, I am not sure how it could lose its perfect roundess, eitherway-

how much would a LBS charge to thread a steer tube about 2 inches lower?
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