Tom,
To change to 9/16 threads, one needs merely to run the 9/16 tap through the French threads. It is almost like a clean-up pass by which I mean you are not taking out much metal.
There are a lot of old Lyotard platform pedals out there with French threads, so do keep in mind that you can't go back.
Chuck Hoefer
Pacific Coast Cycles
Oceanside, Calif.
>
> Having never actually seen french pedal threads, can they be re-threaded
> to 9/16th? There seems to be more french threaded TA cranks available and
> would like to take advantage of a couple.
>
>
>
> Thanks.
>
>
>
> Tom Forbes.
>
> Houston, Texas.
>
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