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@gbj_tester
Wiggins is using OSymetric rings. People have been making non-circular rings with various profiles for almost as long as there has been chain drive, and making various claims for increased efficiency. Some of the claims may be at least partially true, for particualr athletes...
The front wheel might be because only Wiggins has the new frame, and 3/4/5 spoke wheels interact with the fork, particularly, in a different way from the interaction of a wire spoked wheel. I suspect that they have done the relevant testing, and I wouldn't be surprised if the new frame had more space between the fork blades compared with the old oone.