Thanks! Here's most of the specs on the Trek 520 above..

Wheels: Sun 700C M13II 36-H rims with Quando sealed cartridge bearing hubs
Tires: Schwalbe Marathons 7ooc x 32mm
Bars: Nitto Randonneur
Stem: Nitto Technomic 120mm
Crankset: original SR forged alloy triple (28-45-50)
BB: original..don’t know make/model
Derailleurs: original SunTour ARX-GT rear and AR front
Freewheel: Shimano 7-speed Megarange
Pedals: Velo Orange Touring pedals
Brakes: Tektro R536 brakes with Tektro R200A aero levers
Shifters: original Suntour downtube friction shifters
Saddle: Brooks B17 w/ cheap alloy seatpost
Racks: Tubus Tara front and Axiom Streamliner rear
Fenders: SKS/Esge chromoplastic