Zipp 404 NSW tubeless carbon-clincher Impress Graphics

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  • 404 NSW Carbon Clincher Tubeless
    No matter where you ride, the 404 NSW Carbon Clincher Tubeless is engineered to make that ride faster. With a rim depth of 58mm, the 404 NSW is designed as a do-everything wheelset that is adept at climbing and maintaining speed on the flats; a wheel strong enough to handle the Spring Classics, but light enough to inspire sprints out of corners.

    The 404 NSW Carbon Clincher Tubeless features a redesigned rim shape that aerodynamically integrates wider tubeless tires for enhanced ride quality and performance. Like its 303 and 808 NSW siblings, the 404 NSW Carbon Clincher Tubeless’ wider 19mm internal rim width and corresponding outer rim shape for aerodynamic optimization with 25mm tires. This wheelset allows you to run tubeless or traditional clinchers. The benefits of tubeless include superior flat protection, the ability to run lower pressures, and a smoother ride with high cornering grip and low rolling resistance.

    The 404 NSW’s unrivaled crosswind stability saves watts that would have been spent keeping the bike straight, and provides unequivocal confidence for high speed descending.

    When it comes time to slow for a corner, our NSW exclusive Showstopper brake track stands ready to deliver the best modulation and shortest stopping distances available, regardless of weather conditions or the length of the descent.

    Simply put, the 404 NSW Carbon Clincher Tubeless represents the cutting-edge of tubeless carbon clincher wheel technology delivered straight from The Nest, where Zipp’s advanced development engineers design the world’s fastest wheels. Tires such as the Zipp Tangente RT25 Road Tubeless are a perfect match for this wheelset to deliver exceptionally low rolling resistance and high cornering grip.

    Cognition Hubset
    Every time a conventional hubset starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. With Cognition’s Axial Clutch technology, we’ve reduced this drag by disengaging the ratchet mechanism when coasting. With less internal hub drag a rider can pedal less when drafting in a headwind, achieve higher speeds when coasting in an aero tuck, or opt to stop pedaling a moment sooner before entering a corner and bank that wattage for use exiting the corner. Axial Clutch technology also allows riders to maintain speed through corners that don’t require braking input, thereby increasing corner exit speeds.

    Inside the Axial Clutch mechanism, we use magnets, rather than steel springs, to move and engage our light weight Metal Injection Molded (MIM) ratchet rings for unmatched reliability and consistent operation. With 36 points of engagement that all interlock simultaneously, there isn’t a more secure freehub mechanism on the market.

    Our Axial Clutch freehub mechanism is also compatible with XDR drivers. This gives riders the option to select a 10-42 cassette to assemble a 1x11 drivetrain with an equivalent range to either a compact or standard road double drivetrain. In fact, for those looking for a wider gear range, or tackling especially extreme terrain, we now offer our Zipp NSW Carbon Clincher Tubeless wheels with a XDR driver body allowing for more cassette options including a 10-42.

    A star-flanged straight-pull hubshell design on the rear hub distributes the load placed on the hub flange away from the bearings. We’ve also developed a unique scalloped edge hubshell design for our front hub. This scalloped design maintains the bearing bore diameter when high radial spoke tension is applied. Both of these hubshell design elements ensure that bearings quietly stay in place, roll faster, last longer, and provide a laterally stiffer hub. About those bearings, we’ve chosen Swiss stainless-steel bearings specially made to our specs to provide the longest lasting, lowest friction performance available.

    Born of Science. Realized by Hand.
    Zipp NSW wheels were developed using CFD (Computational Fluid Dynamics) post-processing software and multiple wind-tunnel trips, including the Aerodynamic Bike Testing Facility at the ARC Wind Tunnel, a short drive from Zipp’s Indianapolis facility. We do this because, as one of our advanced development engineers, Dave Morse, is fond of saying, “The wind tunnel will never be replaced as the gut check for wheel design.” The advanced development engineers at The Nest took that data and created the rim shape that became the 404 NSW.

    Zipp NSW rims are laid up, molded, and drilled in the USA by Zipp technicians. Our expert wheel builders then hand lace the rims to our Portuguese-made Cognition hubset using Belgian Sapim CX-Ray spokes and Secure-Lock nipples to ensure precision alignment and even spoke tension. The end result is a handcrafted wheelset that stays fast and true for years to come.

    Heavy continuous braking on carbon surfaces can cause spikes in rim temperature and tire pressure that impact performance and handling – especially with clincher tires. To solve this challenge, our composites supplier created a heat-resistant resin exclusively for Zipp. This technology improves heat dissipation so substantially that our Carbon Clinchers have never had a heat-related failure.

    Specifications
    • Set Weight: 1620g
    • Max recommended rider weight: 115kg (250lbs)


    Front Wheel
    • Weight: 738g
    • Hub: Cognition
    • Rim Depth: 58mm
    • Brake Track Width (center): 26.4mm
    • Max Width: 27mm
    • Internal Width: 19mm
    • Spokes: Sapim CX-Ray
    • Spoke Count: 18
    • Spoke Pattern: Radial
    • Spoke Length: 246mm
    • Max Tire Pressure: 8.62bars (125psi)
    • Track Adaptable: No
    • Dimpled Surface: ABLC SawTooth Technology
    • Nipples: Sapim secure-lock
    • Tubeless: Yes


    Rear Wheel
    • Weight: 882g
    • Hub: Cognition
    • Rim Depth: 58mm
    • Brake Track Width (center): 26.4mm
    • Max Width: 27mm
    • Internal Width: 19mm
    • Spokes: Sapim CX-Ray
    • Spoke Count: 24
    • Spoke Pattern Non-Drive: 2 Cross
    • Spoke Pattern Drive: 2 Cross
    • Max Tire Pressure: 8.62bars (125psi)
    • 11-speed compatible hub: Yes
    • Track Adaptable: No
    • Dimpled Surface: ABLC SawTooth Technology
    • Nipples: Sapim secure-lock alloy
    • XDR Compatible: Yes
    • Spoke Length NDS: 258mm
    • Spoke Length DS: 256mm
    • Tubeless: Yes
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This item is crafted in the U.S.