Joe,
Your frame was made in the "second batch" of frames ever made at Masi CA. Batch #2 (25 frames per size were made at a time) were all 58cm frames. I just sent frame #28 back to GA a few days ago with a new orange-red paint job. I will be mentioning early CA Masis shortly in my next writing about lugs and lug fileing in particular.
Brian Baylis
La Mesa, CA
This Masi project of mine has a surprise, mostly ugly, at every corner. So much for a "bargain".
"Shorty" seat post- ouch!
Stripped cable bolt replaced on front derailleur- ouch.
Stripped adjustment bolt on wrong rear derailleur- ouch.
Bulge at bottom of scratched stem- ouch.
Mismatched crank arms- ouch.
Cross threaded dust cap- you guessed it, both crank threads marginal. How the heck do you do this on a crisply threaded Campy crank. Ouch.
Super Record BB- what? Newer style with nuts. When did these come out? I guess this bike is a 1975.
Goofy multi-colored Modolo Pro calipers w/ Dura-Ace levers- Gotta go.
Dura-Ace headset- gotta go.
Suntour freewheel- gotta go
Uniglide chain- give me a break.
The good news is that Brian and crew built nice frames. The alignment, brazing, BB mitering (perfect) are all really impressive. I can't imagine the Italian Masis were quite as good.
Touched everything up with my new Cyclus frame tools and I really like them.
Campy headset is now installed and the frame is happier already.
Joe Bender-Zanoni
Great Notch, NJ