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The 454 NSW Rim brake brings together the advanced aerodynamics and stability of its biomimicry-derived Sawtooth™ rim profile with the time-proven ride qualities of riding tubulars. Utilizing the principles of the emerging science of biomimicry, Zipp engineers studied the environment around them for instances of how nature achieved speed, control, and efficiency. A humpback whale’s fast and graceful movements are aided by tubercles on its pectoral fins. These structures inspired Zipp advanced development engineers to, for the first time, systematically apply biomimicry to solve the complex challenge of designing a wheel, with the undulating Hyperfoil™ nodes, that reduces both aerodynamic drag and side force.