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  1. deus44

    Presta Valve Cap

    I see what your talking about. That thread is where the locknut screws down o hold the valve stem in place and doesn't rub on the rim. I am interested in the three or so threads at the top where the plastic valve cap screws onto. On the image I believe it would be around the E diameter...
  2. deus44

    Presta Valve Cap

    Thanks for all the responses. I've looked through the bicycle forums and there is nothing there on the threads. Also that image that was linked to, I have looked at. It was actually how I found this site. While it does give informaion the diameter of the threads it says nothing about the...
  3. deus44

    Presta Valve Cap

    Hello, I am working on a project and need to reproduce the threads on a presta valve cap. All my research online seems to indicate that they are non standard threads. I found a thread on this site that talks about it in a little detail but not much. There was mention of the Tire and Rime...

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