Kevin, I find that sometimes the seat lug ears need to be spread apart while checking for seat post size. You may have already done that. If a smaller than appropriate size post has been used, it will cause this problem.
Chuck Hoefer
Pacific Coast Cycles
Oceanside, California
>I have a nice 1960 (?) R O Harrison track bike Reynolds 531 and Nervex Pro
> Lugs, not drilled for brakes and has metal head badge. Very nice bike.
>
> Unfortunately, I cannot for the life of me determine the correct seat post
> size.
>
> The sizing rod is in as far as I can push it and says 26.8.
>
> I put the 26.8 Campy seat post in and get movement.
>
> Do I need to shim this?
>
> Anybody know for certain what size it is.
>
> I know seat post sizing can be tricky sometimes, but I've never had a
> problem before.
>
> Thanks for any help,
>
> Kevin McCaul
>
> Silver Spring MD
>
> _______________________________________________
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