Based on the information I could gather the frameset was made towards the later era of the 3rensho while the shop was closing after Yoshi Konno's death. They were still throwing lugs and tubes together to sell off before everything closed down.
3Rensho Katana 53cm
3Rensho fork / Suntour Superbe Pro
Suntour Superbe Pro NJS / Suntour Superbe Pro
Shimano SPD M520
Suntour Superbe Pro NJS 49t / 17t steel cog
Monkey Lite CT2 / Cinelli
Selle Italia SLR 135g / Suntour Superbe Pro
Dia Compe front brake adapter
Zipp 303 24h / Novatec road hub / noname tire
Zipp 303 28h / noname Hub / noname tire
Rims are now laced to Mack Superlight low flange hubs
Added by iliketrackbikes. Last updated about 1 year ago.