Another vote for CR720s.
If you're looking for the economical and strong solution, they're the way to go. The Velo-Orange Grand Cru (Mafac design knockoff) is another good option.
If you can drop the coin on them, Paul Neo-Retros are well designed, well built, and super strong.
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"I feel like my world was classier before I found cyclocross."
- Mandi M.