Just for grins, Phil hubs weigh 534gm for the pair.

Dura Ace hubs weigh 501gm for the pair.

Not much difference.

Phil hubs cost $275 and Dura Ace hubs cost $200 for the pair.

Phil hubs require almost zero maintenance, and I don't know how much maintenance Dura Ace hubs require.

I hear a lot of different stories from people regarding the maintenance of Dura Ace hubs.

Universally, though, reviewers describe Dura Ace as the smoothest hubs going.

I'd like to hear from somebody who has ridden Dura Ace for a year or two in a dirty urban environment.