Tubeless ready for added support, stability and protection over smooth and slick terrains, this fabulous wheel with its 58mm deep rim is constructed of a long-lasting and lightweight carbon for superior stiffness and responsiveness. Optimised for use with 25mm tires and especially excellent over smooth pavement and tarmac surfaces, this speedy and strong Zipp effort is no slacker when it comes to rapid racing. Specially designed with Sawtooth dimples to shed air quickly for top aerodynamics, the wheel also features ImPress branding that doesn't impact on your streamlining as well as Cognition Hubs to reduce air-drag as you shave off those vital seconds.
Giving unrivalled crosswind stability and impressively-low rolling resistance, this 404 NSW also benefits from disc brake compatibility, meeting the expectations of modern road riders with its efficient and fast-engaging stopping. All of this combines to make for an unbeatable road wheel.
Technologies:
SawTooth
The name given to the Zipp NSW variable depth 77/82mm rim profile. This design is the result of rigorous wind tunnel and real-world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before.
Hexfin Aerodynamic Boundary Layer Control (ABLC)
The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim's profile to further reduce high yaw drag and improve crosswind stability.
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