Originally Posted by
seagrade
Cheers thanks. The bb shell is marked ME60 and 506. The former I suspect references the size (frame is 60x58 c-to-c) and ME perhaps a builder or model code. The latter 506 _without further research_ I have interpreted to indicate a 2005 or 2006 build, although it could be an undated serial number. Early 2000s would seem to loosely fit the OS tubing (no decal) and 1" threadless fork steerer.
Thanks. I like seeing how his work changed over the years. I recently saw a 2022 Simone D'Urbino Masi. I know, a new builder but things need to move forward. All great stuff.