Hellas Track Sprint 531st 57

Frame:
Hellas 531st 57 Square

Fork/Headset:
531st / Shimano

Crankset/Bottom Bracket:
Campagnolo / Shimano Sante

Pedals:
MKS

Drivetrain/Cog/Chainring/Chain:
Victoire / Campagnolo / Regina

Handlebars/Stem:
SRP / Pearl

Saddle/Seatpost:
Slr / Tmsn

Front Wheel/Hub/Tire:
TB's / DA / Vittoria

Rear Wheel/Hub/Tire:
TB's / DA / Gators

More Info:
No one knows the builder of these bikes,but every cycling club here in Greece got one of those.cheers p.s: not any more!