Robert Goughary wrote:
> My Wilier has dropout screws that are one size bigger than my later
> bikes - this one should be from approx 1950. Was this size the norm
> back then? When did Campagnolo switch to the lighter weight screws?
> My other 50's bike, which by the collective reasoning of this group,
> has been dated to 1958-1962, Italian origin, has the lighter screws.
IIRC, the reason for the move from 4mm to 3mm was to reduce breakage at the hole.
--
-John Thompson (john@os2.dhs.org)
Appleton WI USA