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    • Zipp 454 NSW Carbon Tubular Wheels - SRAM

  • Zipp 454 NSW Carbon Tubular Wheels - SRAM

    Featuring a selection of Zipp's latest technological innovations, this 454 NSW all-carbon tubular wheelset offers exceptional race day advantages. From the undulating 53/58mm deep SawTooth-enhanced rim, which minimises aero-drag and side force from all wind yaw angles, to the crosswind-proof Hyperfoil rim texturing, these wheels offer unparalleled speed, aerodynamics and stability.

    Advanced Hubset Design

    With its built-in Axial Clutch technology, the Cognition hubset featured in this wheelset interacts with your freehub's ratcheting mechanism to cut mechanical drag in half, allowing for excellent control and efficiency whether you're pedalling or coasting.

    Features:

    • Material: Rim: Carbon; Hub: Aluminium
    • Hub Model: Cognition
    • Rim Profile: Depth: 53/58mm
    • Rim Type: Carbon Tubular
    • Spokes: Sapim CX-Ray J-Bend, 18H, 2-cross
    • Max Tyre Pressure: 125psi
    • Dimpled Surface: ABLC, Hexfin
    • Freehub Compatibility: SRAM XD
    • Weight: 640g (front), 795g (rear)

    Technology:

    • Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered as efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling.
    • SawTooth: The name given to the Zipp NSW variable depth 53/58mm rim profile. This design is the result of rigorous wind tunnel and real-world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before.
    • Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.
    • ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.

    Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

    Spezifikationen

    • Farbe: Schwarz
    • Größe: Schnellspanner
    • Radgröße: 700c
    • Option: SRAM
  • sparen Sie 8%
    UVP €4298.49
    €3961.99 3961.99
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    Schwarz
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    Schnellspanner
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    700c
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