Zipp 404 Rear Wheel

Zipp 404 Rear Wheel. Zipp 404 Rear Wheel: Never count out the 404. Our most popular wheel has carried cyclists and triathletes to victory from the Alps to Kona, and the 2009 version is faster than ever before. Clincher Wheels: The clincher version of the 404 uses the same go-anywhere, win-anything 58mm rim depth of its tubular brother, but with the everyday convenience of clincher tyres and the reliability of an aluminium braking track. Plus, Zipp's M2CM technology maximizes rim strength and durability by fusing the aluminium hoop to the inner carbon section. ABLC dimples, VCLC vibration-reduction technologies, and the new 88/188 hubset round out the 404 Clinchers' 1615g total package with 16/20 front/rear spoke counts.True, they're heavier than tubulars and they lack the new rim shape, but they are still lighter and faster than many SL wheels on the market. But if glass and potholes factor into your rides, the peace of mind is well worth it.Tubular Wheels: For 2009 the 404 tubular wheelset is faster than ever with the third generation of our patented ABLC dimpling pattern and a new fully toroidal rim shape derived from the 1080 and Sub 9 projects. Refined through over 100 hours of wind tunnel testing during co-development with the new 808, the new 404 shows reduced drag at every angle from 0 to 30 degrees.The new tubular rim shape also offers the benefits of added stiffness, due to a slight widening of the rim, and better braking, with a slightly angled brake track. We've also taken similar leaps forward with the new 88 and 188 hubs that are smoother, stiffer, and more durable than ever before.Even with all these upgrades, there is no weight penalty. The 404 Tubular set tips the scales at just 1232g per pair with 16/20 front/rear spoke counts.Like all our tubulars, the 404 is built with our Carbon Bridge technology that dramatically increases impact resistance with a Kevlar thread running perpendicular to the carbon laminate. Between those layers of carbon lies our VCLC system, which uses a shock-absorbing material to reduce vibration by 10% and keep your wheels glued to the pavement under all conditions. Clincher Spec:Rim Used: 505 Hub Used: 188 Weight: 865g Spoke Count: 20 Spoke Pattern Non-Drive: Cross Spoke Length Non-Drive: 248mm Spoke Pattern Drive: Radial Spoke Length Drive: 234mm Track Adaptable: No Dimpled Surface: Yes Max Tyre Pressure: 125psiTubular Spec:Rim Used: 360 Hub Used: 188 Weight: 682g Spoke Count: 20 Spoke Pattern Non-Drive: Cross Spoke Length Non-Drive: 248mm Spoke Pattern Drive: Radial Spoke Length Drive: 234mm Track Adaptable: No Dimpled Surface: Yes

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