What Kommisar said.
I guess my perspective in modernizing the Gazelle is that, while it isn't period-correct, it is spirit-correct, if you will. My understanding is that the Gazelle wasn't a highly sought-after boutique racer, but more of a high quality but blue-collar, get-it-done race bike that would frequently be fitted with a mix of parts to suit the needs of the racer. I have a mix of 10-speed Record, Chorus, and Centaur on it--my only regret is not looking harder for alloy levers rather than carbon
