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Feeling just at home in road races, time trials, triathlons and mountain gran fondos, the Zipp 404 Firecrest Carbon Tubeless Disc Brake Wheels are a multifaceted performer suited to the rider who flirts with a whole host of riding situations.
The 58mm deep rims features a profile that has been sculpted following extensive research in the wind tunnel and within real-world riding scenarios to provide low drag and stability across a sweep of yaw angles. The ABLC dimple pattern complements the advanced rim shape by smoothing turbulent air particles across the rim’s surface to increase aerodynamic performance further. A highly developed carbon material is utilised in the rim’s construction to infuse responsiveness and strength while keeping rotating mass to a minimum.
A wider internal rim width forces tubeless-ready or standard clincher tyres to realise a refined cross-sectional silhouette. This optimised tyre form increases air volume and morphs the tyre-to-road impression into a stouter shape. These traits subsequently combine to afford lower rolling resistance, improved comfort and enhanced cornering grip.
The ZR1 hub offers smooth and sealed bearings and a Center Lock disc interface, and these provide long-lasting rotation and a secure braking sensation respectively. The build is finished by the reliable Sapim CX-Sprint spokes that are configured in a 2-cross lacing pattern to award durability and efficiency.