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  1. #1
    Ride for Life wearyourtruth's Avatar
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    question about forks (road, 1")

    so my question concerns a road fork, 1", threaded, but i guess applies to all forks... can you take a threaded fork that is extra long for your frame, and cut it down past the threads and run it threadless? the exterior diameter should be the same i assume, but the interior needs to be the same as well to hold a star nut. would it hold up?
    before posting, a "noob" should always ask themselves "could this have been answered by first visiting Sheldon Brown

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  2. #2
    robhunterx robhunterx's Avatar
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    I put an extra long threaded carbon fork in my 1998 Litespeed Ultimate with a threadless headset & stem. I applied some tape to the threads under the stem and it works just fine. In my case my frame had a fairly short head tube and that made a big difference. Good Luck

  3. #3
    Senior Member
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    Quote Originally Posted by wearyourtruth
    so my question concerns a road fork, 1", threaded, but i guess applies to all forks... can you take a threaded fork that is extra long for your frame, and cut it down past the threads and run it threadless? the exterior diameter should be the same i assume, but the interior needs to be the same as well to hold a star nut. would it hold up?
    Yes.

  4. #4
    Senior Member capwater's Avatar
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    So long as you aren't going to clamp your stem on the threads you're good to go.

  5. #5
    Senior Member Retro Grouch's Avatar
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    that's all but a hypothetical question because the threaded steerer tube would have to be super long to work. The "book" answer is not to do it because the bottom thread will become a stress riser and the fork could snap in two at that point.

  6. #6
    Senior Member
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    Quote Originally Posted by Retro Grouch
    that's all but a hypothetical question because the threaded steerer tube would have to be super long to work. The "book" answer is not to do it because the bottom thread will become a stress riser and the fork could snap in two at that point.
    He did talk about cutting the threaded portion off completely, and that should be okay.

  7. #7
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by neilG
    He did talk about cutting the threaded portion off completely, and that should be okay.
    Yeah. That's why I said it was an all-but hypothetical question. It would take a very long threaded fork coupled with a very small frame for that to work.

  8. #8
    Team Beer Cynikal's Avatar
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    I've done it with a 56cm road bike. I found a fork at my LBS that was VERY long. But to answer the OP's question....Yup.
    I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC

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