That is exactly my point, the OP is looking for a light for road biking, he said to see the pot holes, etc. And a round beam is not what I would suggest for that.
In post number 3, above, I stated: ...
I suggest any of the B&M headlamps that are at least 70 Lux. The IQ-XS that has an aluminum shell is pretty robust, small, and puts out a nice beam, I have two of them on different bikes.