At this page I’ll list links which come in handy when buying, selling or collecting pre-owned and vintage bicycles.

Links which help you to date the bicycle or the parts which are used on it.

As well there are links which give historic information on brands or vintage racing bicycles in general.

Campagnolo timeline (taken from Velo-Retro)
Miyata frame number / production year list
Date of manufacture for bicycle components
The largest bicycle related link list (Velo-Retro)
Disraeli Gears (everything rear derailleurs)
Classic & Vintage bikes forum
London Fixed Gear & Singe Speed (LFGSS) forum
Old Gazelle Mondial sales brochures & price lists
Gazelle frame number / production year list (Dutch)
Reynolds tubing decals (dating)
Nishiki (& Giant) information (Wikipedia)
Velospace (forum, marketplace and information)
San Marco saddles (remake vintage San Marco models)
Selle Royal saddles (vintage road models)
Brooks saddles (vintage road models)