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Item # CPG0207
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Campagnolo Hyperon Ultra Two Carbon Road Wheelset - Clincher $0.00
Developing a carbon clincher rim was a bigger challenge than Campagnolo ever expected. It wasn't simply a matter of modifying the tubular Hyperon rim, but instead required the production of a completely new rim. Issues that are of minimal note for a tubular are primary concerns for a clincher -- resistance to forces such as tire pressure, brake-induced high temperatures and road shock all had to be directly addressed. It's for this very fact that Campy designed a rim made from specific materials that could fully meet these needs.
The Hyperon Ultra Two clincher is the second generation design of their highest-end clincher wheel. Of greatest note is the change here to Campy's Ceramic Ultimate Level Technology (CULT) ball bearings. These CULT bearings are unlike other ceramic bearings that require specialized grease formulations for lubrication. Instead, CULT bearings use oil, which minimizes drag, and it has the additional upside of making maintenance far easier. And Campagnolo goes further with drag-reduction by housing these bearings in a low-friction technopolymer cage, then pairing them to super-hard Cronitect races. Not only are these bearings remarkable for their low friction, but they're 200 times more resistant to corrosion than stainless steel bearings.
The low-profile design of the Hyperon Ultra Two clincher rims minimize inertia and guarantee comfort during long races. The front rim is 21mm deep and the rear rim is 23mm deep. The rear wheel is built in a differential fashion -- its spoking pattern is engineered to improve lateral stiffness and the transmission of power while reducing the disparity in spoke tension between the drive and non-drive side spokes. The aero black stainless steel spokes (22 front, 24 rear) have a differential cross-section that varies according to specific load. They are fitted to the rim by means of the special Campagnolo system of self-locking nuts and plates with spherical coupling that ensure that the spoke strength isn't compromised under torsional loads. They come with Campagnolo wheelbags, skewers, a lockring, and brake pads. Please note that the clincher braking surface involves the use of Campagnolo brake pads that have been designed exclusively for the clincher wheelset. Make sure to install them! 1350g.