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Zipp 404 Rear Wheel (Carbon Clincher)

Zipp 404 Rear Wheel (Carbon Clincher)
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They're here: Zipp's full-carbon 404 clinchers. These wonder-wheels boast 58mm-deep, dimpled carbon rims for the holy trinity of wind-cheating aerodynamics, mountain-stage-winning weight and power-boosting lateral stiffness. The Firecrest rim shape improves handling in crosswinds, ups the wheel's strength and enhances ride quality. And, the top-notch rims are laced to Zipp's precision hubs that boast some of the roundest ball bearings in the industry for maximum speed out on the road. With countless WorldTour race victories, world championships and Olympic medals, it's no wonder the 404s are some of the most revered wheels on the planet. They make your ride faster, and you a faster rider.

Zipp FirecrestZipp’s amazing Firecrest rim is more aerodynamic than any other, plus it improves handling in crosswinds, wheel strength, and overall ride quality. Here’s how:

More speed
Previous rim shapes were designed to smooth airflow coming off the tire, and tapered inward from the widest point of a toroidal bulge. Zipp’s Firecrest rims have a less pronounced bulge and maintain a near-constant width almost all the way to the spoke bed. Without giving up the proven benefits of the toroidal shape, Firecrest is the first aero profile that effectively controls airflow around the back half of the wheel.

The benefits are substantial. With Firecrest, the latest Zipp 404 Tubular (58mm rim depth) matches the aerodynamics of the pre-Firecrest 808 (81mm depth). And the new 808 Tubular is faster than any competitor’s 90mm rim.

More stability
Using computational fluid dynamics (CFD), Zipp discovered subtle variations in rim shape that improve stability without increasing aerodynamic drag. By moving the center of pressure (the focal point of side forces on the rim) to its optimal location near the steering axis, Firecrest rims offer stable, predictable handling at every wind angle. In real-world conditions, Firecrest rims are markedly more stable than other rims of equal or even shallower depth.

More control, comfort and strength, too
Firecrest rims are also wider, which increases lateral stiffness for sprinting and cornering, and offers greater vertical compliance for more control, comfort, and durability, without adding rolling resistance.


Size(s) 700c
Model Clincher
Rim Material Carbon, 58mm-deep
Hub(s) Zipp 188
Holes (Front/Rear) 20
Weight (Front/Rear) 839 grams
Lacing (Front/Rear) Radial/Cross
Cassette Compatibility Shimano/SRAM/Campagnolo (cassette sold separately)
Valve Type Presta

* Subject to change without notice.


Watch a video about the 404 Carbon Clincher.