Originally Posted by
Schreck83
That would have been sold as a frameset and built up from whatever the owner had or wanted. Full DB5531 in midnight blue with chrome dropout faces sure sounds like the model Michael's Cyclery called the Competition 531:

Nice score for $15!
Search for threads about the Raleigh-sonic bikes, like this one:
Japanese built Raleigh International: Raleisonic?
Thank you so much for sorting that Raleigh puzzle out. It's amazing what some of these manufacturers got up to back in the day. If you hadn't come up with the info there would have discussions on this for WEEKS.