Originally Posted by non-fixie

Now that's interesting, [MENTION=205648]Hummer[/MENTION]! You've made a bell ring with me that hadn't rung before (but should have). A while ago I posted this thread about a Union frame, which also has a 26.8 seat post and - wait for it - serial number M1B09266.

I never thought to compare the two. I'll do so tonight when I get home.