Here is my list of Favourite Cycle Things, none of which will come as a surprise to anyone nor, I suspect, figure in anyone else's list...
Conloy Asp rims
Harden large flange "bacon slicer" hubs
Sturmey-Archer FC close-ratio hub gears
Britannia cream-coloured celluloid mudguards
Brooks B17N saddle: the 1950s version with the longer nose and the camfered edges.
Baycliff saddle bags
Washington DC USA