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    • Zipp 303 NSW Carbon Hinterrad (Drahtreifen) 2019

  • Zipp 303 NSW Full Carbon Clincher Rear Wheel

    The Zipp 303 NSW Full Carbon Clincher is designed on the successful  design technologies of the world famous Firecrest wheel. It successfully  increases its delivery of exceptional stiffness, rolling performance and  aerodynamic efficiency, making it light enough to fly up steep alpine ascents but tough and stiff enough to excel on the cobbled classic events.

    Ultimate All-Rounder

    Featuring a rim depth of 45mm, the 303 NSW wheel design is the ultimate  all-rounder. Providing exceptional climbing efficiency and is more than capable  of maintaining speed on the flats; it is strong and stiff enough to provide  rider confidence when pushing your personal rider limits on demanding descents  and is light and efficient enough to convince you that every watt of power will  be applied to the road when sprinting out of corners. The 303 NSW is built with  the one, sole purpose of being fast everywhere.

    Instant Axial Clutch Engagement

    At the heart of the 303 NSW is the Cognition hub set. Designed and  engineered to provide the lowest rolling friction without compromising or  reducing its bearing sealings in any way. The rear Cognition hub features the  Zipp specific Axial Clutch mechanism, which when not pedalling it spins freely  with minimal drag. Once you turn the pedals the internal magnets pull the  ratchet into engagement instantly and your power is transferred instantaneously  to the road. The Cognition hub effectively makes you ride faster, even when you  are not pedalling.

    Features:

    • Material: Rim: Carbon; Hub: Aluminium
    • Hub Model: Cognition
    • Rim Type: Clincher
    • Rim Internal Width: 17.2mm
    • Brake Track Width: 26.4mm
    • Spokes: Sapim CX-Ray
    • Spoke Count: 18
    • Spoke Lacing Pattern: 2-cross
    • Max Tyre Pressure: 125 psi
    • Rim Dimpled Surface: ABLC Sawtooth
    • Freehub: Axial Clutch
    • Freehub Speed: 9, 10, 11-Speed
    •  
    • Weight: 785g

    Technologies:

    • 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.
    • Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin.  The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp have introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.
    • 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.
    • Aerodynamic Boundary Layer Control: 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.

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

    Spezifikationen

    • Farbe: Schwarz
    • Radgröße: 700c
    • Option: Campagnolo
    • Geschwindigkeit: 11-fach
  • Sparen Sie bis zu 28%
    UVP €1599.99 - €1600.00
    €1156.39 - €1370.49 1156.39 1370.49
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    Schwarz
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    Campagnolo
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    700c
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