This Zipp 404 NSW Carbon Tubeless Rear Wheel (QR) is no longer available although you may find similar or newer versions below:
The 404 NSW Carbon Tubeless Rear Wheel provides exceptional aerodynamic performance and superior rolling efficiency and stability. Featuring a 58mm rim height, which is super-stable in crosswinds and rolls on the superb Cognition hub.
|Wheel Size:||700c (622)|
The 404 NSW is the ultimate all-rounder and provides fantastic climbing efficiency and comfort while being more than capable of maintaining speed on the flat and stability during high-speed descents. Its stiffness and strength has been proven on the Spring Classic race events across cobbled streets and rough, uneven terrain but is still light enough to inspire rider confidence when sprinting out of corners.
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 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.
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.
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.
Zipp Cycle Components are the producers of wheels, handlebars, cranks and cycle accessories are a manufacturing company located in Indianapolis, Indiana, USA and are part of the growing SRAM group. Zipp Speed Weaponry serves a select group of elite companies and athletes, globally located and committed to bicycle and wheelchair competition. Zipp meets the customer's needs for the highest performance, superlative quality components through innovative design and manufacturing utilising the best material and technology available. Zipp is built on mutual respect, delivery on promise and fastidious attention to manufacturing details.
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