----- Original Message ----- From: Bicycle Classics inc <bikevint@tiac.net> To: <classicrendezvous@bikelist.org> Sent: Thursday, April 12, 2001 7:11 AM Subject: [CR]Campy 9/16 pedal threads changed in 1983!
> With all the fuss regarding pedal crank breakage, here is a wierd tidbit
we
> just learned of that is sorta related to it. In 1983 or so Campy
INCREASED
> the size of its pedal threads and also increased the diameter of the pedal
> hole in the crank. The argument was that it was done to make Campy similar
> to other cranks.
>
> In theory, use of a large spindle could cause stress on the arm and
> possibly lead to failure. Assuming that Campy stuck with this, then use
of
> any later pedal such as a modern Campy clipless in one of these cranks
> should also be taboo! Are we oblivious, or has anyone else known, learned
> of, or cared about this
>
My current Time pedals thread into my one set of NR cranks by hand, all the way to the seat. Cranks are from an '81 bike. I think the date stamp is '79. I can't imagine that there is any undue stress on the threads from any mismatch. I didn't buy the cranks new, so it's always possible someone chased the threads, but the bike had the original NR pedals installed when I got them.
Jon Schaer