you can look up the weight differences on their website.

the hed jet is a normal wheel with a thin, non structural fairing.

the zipp's carbon bit is structural.

aerodynamically the same.

is really doesn't matter.

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

The Stinger disc fits easily in the P3C at least.

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BA coaching http://www.bjornandersson.se

Do you think it’s worth it to save the money and go with HED?
How about the Singer Disc?

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Sponsors hit me up, space for rent.

Don't the Jet 9s come in clincher only? I think you need a Stinger front if you want to go tubular.

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Does it fit on a P4? Thought the P3 and P4 had the same clearance.

Does it fit on a P4? Thought the P3 and P4 had the same clearance.

From what I've heard (and it's just that ... hearsay), the clearance issue on the P4 has to do with the rear brake and any of the discs with the bulge won't work.

It's possible I heard wrong. I've never seen a P4 in person.