Originally Posted by
Scrodzilla
The only differences are that the 725 has a aero seat tube with a cutout and smooth welds. The geo and overall construction are the same. IIRC, the 721 is a little lighter.
We don't use printed envelopes. It's a good ol' fashioned rubber stamp.
Cool, good to know. Might try to buy one this winter...
The envelopes look sweet, where did you get the stamp made at?