Originally Posted by merlinextraligh

I've got a bunch of different wheelsets from the lightest at 1175 grams up to probably 1700 grams. A bike definitely feels lighter and more responsive with lighter wheels.

For example I have a pair of Zipp 404 clinchers, with Al rims that are reasonably heavy. You can feel a difference getting them up to speed compared to a light set of conventional wheels.

Admittedly, my anecdotal accounts of "feel" aren't scientific, and you could argue there's a plecebo effect. But even if it is a plecebo effect, whatever the ccause, lighter wheels are more fun to ride.