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  1. #1
    Senior Member YouthxCrew's Avatar
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    Free Spirit fork threading?

    I got my front wheel caught in a trolley track and bent the fork on an FS 10 that was recently given to me and nice enough that I decided to keep it. Does anyone know what the threading or diameter on these is? I don't want to go through the trouble of taking it apart only to find I don't already have a fork that fits (not planning on spending any money to repair it)

  2. #2
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    Should be a standard 1 inch fork. Roger
    Last edited by rhenning; 07-11-14 at 07:31 PM.

  3. #3
    Nigel nfmisso's Avatar
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    You need to provide a WHOLE lot more information to get an answer. You can start with some pictures, and where the bike was made.

    Free Spirit was a Sears house brand that they contracted bicycles for from many manufacturers around the world.

    If you are going to replace the fork, are you also going to replace the headset? If not, you will have to measure the crown race seat on your current fork to make sure that the replacement is the same size. You will also need to measure the diameter of the stem that goes into the fork to ensure compatibility. And then there is the length of the steerer tube.

    Likely it is not possible to get the four dimensions you need to selecting a replacement without taking it apart and doing the measurements. The diameter measurements need to have a resolution of 0.05mm (.002") to ensure you get the correct fork. Steerer length just needs to be equal or longer than current.
    Nigel
    Mechanical Design Engineer

  4. #4
    Senior Member YouthxCrew's Avatar
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    Quote Originally Posted by nfmisso View Post
    You need to provide a WHOLE lot more information to get an answer. You can start with some pictures, and where the bike was made.

    Free Spirit was a Sears house brand that they contracted bicycles for from many manufacturers around the world.

    If you are going to replace the fork, are you also going to replace the headset? If not, you will have to measure the crown race seat on your current fork to make sure that the replacement is the same size. You will also need to measure the diameter of the stem that goes into the fork to ensure compatibility. And then there is the length of the steerer tube.

    Likely it is not possible to get the four dimensions you need to selecting a replacement without taking it apart and doing the measurements. The diameter measurements need to have a resolution of 0.05mm (.002") to ensure you get the correct fork. Steerer length just needs to be equal or longer than current.
    It's actually the very same model as this one, in similar unridden condition. I don't plan on replacing the headset as well. I mainly did'nt want to run into the problem I had with another one of these where the bottom bracket and fork were two different threadings for some reason.
    Last edited by YouthxCrew; 08-05-14 at 01:33 PM.

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