Originally Posted by
Harm Dommisse
Today a customer came in the store and he has a RIH model Campagnolo with serial number 83125. Which build year could this RIH be?
125th build from 1983 would be a good guess. Sometime after he took over, Wim van der Kaaij introduced a new numbering system, where the serial number is preceded by a date. I've seen YYserial and MYYserial.