858 NSW Carbon Clincher Disc Brake Road Wheel by Zipp
Zipp knew it could and should bring the radical biomimicry-derived 454 NSW Carbon Clincher wheels to deeper depths, fueling the wants and needs of the aero and tri crowd. It proved that aero efficiency and crosswind stability are not mutually exclusive when it comes to aero wheels. With that in mind, Zipp crafted a Sawtooth rim design going 24mm deeper than the 454 and arrived at the 858 NSW Carbon Clincher Disc Brake Road Wheel. It delivers even greater gains in aero efficiency while providing crosswind stability that was previously unthinkable in conventional deep section wheel designs. By eliminating concerns over handling, the 858 NSW ushers in a new era where aerodynamically efficient deep wheels can be ridden every day on any terrain. The 858's versatility is helped by its lightweight and laterally stiff rims, which provide accelerations that were only thought possible from low profile rims. Those gains are mirrored by the Centerlock disc brakes, which deliver superior modulation and impressive stopping power in all weather conditions. Zipp's NSW-exclusive Cognition Disc-brake hubs roll super efficiently, whether coasting or under power, because the Axial Clutch allows the freehub's ratcheting mechanism to deliver as low as half the mechanical drag of a conventional three pawl hub system. Assembled with Swiss bearings made to Zipp's exacting specifications, the Cognition hubset is both robust and fast. The wheels also travel well by means other than a bicycle--the center locking disc brake interface is light and it's quick and easy to remove rotors for travel and J-bend spokes help you find a replacement if you're far away from home. Rim design is the heart of an aero wheelset, and Zipp NSW's SawTooth design is that heart. The variable depth 77/82mm rims on this set were developed by looking at nature and engineering a design, a process known as biomimicry. This pushed the development process of SawTooth in the wind tunnel, CFD, and real-world testing. W...
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Zipp 858 NSW Carbon Clincher Disc Brake Road Wheel
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