Originally Posted by
tiggerdaug
This bike was new to me I believe in 1973. It has had several component changes over the years.
Serial# KD22487 ( I guess this indicates 1974 or April of 1972 )
sugino mighty compe code 47-5
freewheel sun tour pro compe 8.8.8 code: NC. I am currently using a 14-24.
silk decals on fork. Original paint with lots of chips and dings.
The original center pulls are dia-compe 610, I could not find a date code. The levers show 0780.
The original sunshine / arya wheels are long gone. The brakes, hubs are campy record.
Welcome to the forums. During this period most Professionals were built by Katakura, who had a similar S/N format to Kawamura. It can be confusing if you don't know the general era but this one is defintitely boom era and April 1972 Katakura manufacture. It should say Katakura on the fork decal.