I believe that the spacing was 126 mm up to about 1991 or so for
trek. The 6 and 7 speed rear hubs of the 80's used 126 mm rear
hubs. If this is a steel frame, it can be easily cold set to 130 mm
to acomodate the 8+ speed rear hubs.
--- In BOBishBikesFS@yahoogroups.com, "cscoer" <cscoer@y...> wrote:
> This is a rather uninformed question, and anyone who could just
> provide a short phrase to steer me in the right direction, well,
> that would be appreciated.
> I have a vintage Trek frame from 1981. While I have been able to
> locate the original frame manual, I don't know the spacing on the
> wheels that came with the bike--all I have is a frame, and the
> manual, being from 1981, probably assumed that everyone knew what
> the spacing was.
> Can anyone tell me what kind of spacing was used back then? An 8 sp
> wheel with a casette hub is too wide for the frame. What would
> A 6 sp freewheel? Or is there some just completely different style
> of hub used back in 1981 that I have to seek out from Harris
> Much thanks in advance.