Just a quick hose down and suddenly that dent makes me very, very sad. Turns out TT is also bent ever-so-slightly. Ouch.

Full rundown: 100RX drive train incl. shifters (shifts perfectly, btw), Exage elsewhere incl. hubs. "Levin CD Tange" headset.
SN# (formatted to match) is:
BI 0262
U20106376
...and it looks downright
cool.
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A race bike in any era is a highly personal choice that at its "best" balances the requirements of fit, weight, handling, durability and cost tempered by the willingness to toss it and oneself down the pavement at considerable speed. ~Bandera