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Zipp 454 NSW Carbon Clincher Wheelset
Zipp 454 NSW Carbon Clincher Wheelset
Zipp 454 NSW Carbon Clincher Wheelset
Zipp 454 NSW Carbon Clincher Wheelset
Zipp 454 NSW Carbon Clincher Wheelset
Zipp 454 NSW Carbon Clincher Wheelset

Zipp
454 NSW Carbon Clincher Wheelset

$4,000.00ea
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

Where there’s a will, there’s a whale.

Utilizing the science of biomimicry, Zipp turned to nature to see how it solves the problems of speed, control and efficiency. Drawing inspiration from the majestic marine mammal, the humpback whale, Zipp’s 454 NSW carbon clincher is fast and stable regardless of prevailing winds, marking an evolutionary step forward in rim design.

The thing that probably stuck out to you upon first glance was the undulating rim shape. The 53mm-deep rim grows to 58mm at the peaks of the HyperFoils™, achieving aerodynamic performance comparable to a 60mm-deep rim but with improved stability.. You might be wondering why Zipp designed such an irregular rim shape. The 454 NSW’s Sawtooth™ biomimetic rim shape is designed with two goals in mind: reducing aerodynamic drag while simultaneously reducing side force during gusts and crosswinds. If you’ve ever ridden deep carbon rims in a crosswind, you know how wildly unpredictable they can be. Returning to our aquatic mammalian friend the blue whale, Zipp noticed that the tubercles on its fins served a very distinct purpose: they provide the whale improved responsiveness while taking sharp turns. What the 24 HyperFoils do is create higher-frequency vortex shedding, even as the wheel pitches in yaw, resulting in much less powerful and more predictable vortices. Sounds simple, right?

The Sawtooth™ 454 NSW rims are laced to Zipp’s NSW-exclusive Cognition™ hubset using Belgian Sapim® CX-Ray ensuring efficient rolling through pedaling or coasting. Robust as they are fast, the Cognition hubset is assembled with Swiss bearings made to Zipp’s exact specifications.

These rims come with the updated HexFin™ Aerodynamic Boundary Layer Control dimpling technology, improving aerodynamic performance and reducing complications from those pesky crosswinds. Zipp's ImPress™ NSW graphics are printed directly onto the rim, resulting in a stealth look that doesn't compromise the aerodynamics.

When you’re screaming down a descent at speeds, you need to know that when you squeeze those brake levers you come to a stop. Zipp has you covered with their ShowStopper brake track. "Good enough for Carbon" isn't good enough for Zipp; their unique silicon carbide brake track gives you more stopping power and greater control regardless of weather or descent duration. Period.

The Sawtooth™ 454 NSW rims are laced to Zipp’s NSW-exclusive Cognition™ hubset using Belgian Sapim® CX-Ray ensuring efficient rolling through pedaling or coasting. Robust as they are fast, the Cognition hubset is assembled with Swiss bearings made to Zipp’s exact specifications.

Claimed weights are 690 grams up front, 835 grams in the rear, 1,525 grams total. Rider weight limit is 250 lbs. Includes Zipp Tangente titanium black quick-release skewers, Silca valve extenders, individual wheel bags, Zipp Tangente Platinum Pro Evo brake pads, Zipp Tangente 700c x 20 - 28 mm tubes, and 700c x 20mm rim tape.


Features:

  • Claimed weight: 1,525 grams.
  • 18 Sapim® CX-Ray spokes in front, 24 rear.
  • ShowStopper™ brake track.
  • ABLC™ HexFin™ dimples improves aerodynamic performance and crosswind stability.
  • Congition™ NSW-specific hubs with Swiss bearings and Axiom™ clutch technology.
 

Rim Diameter: 622 

 

Rim Depth: 53/58mm 

 

Weight: 1,525g 

 

Rim Width: 17mm internal / 27.8mm external 

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Expensive but fast.
by Sizzlinlegs
Competitive Racer
Phoenix, AZ
1 of 1 customers found this review helpful.

Finally got up the nerve to build an ultralight bike for local century races and researched wheels for several months before buying these Zipps. This new 454 looked like the right compromise between weight and aero efficiency, given that all of our longer road races feature 2000-4000 feet of climb. I was truly hoping that the new design (versus the 404) would significantly lessen the crosswind penalty for deeper carbon wheels, as Zipp claims. I have been using a set of Gen 1 Zipp 45 mm carbon wheels for 3 years. The recent winter winds here have provided ideal conditions to compare performance. Bottom line .... I set PR's every time out on the new wheels, and over all three standard local routes that I solo time in my neighborhood. These PR's (measured in avg. mph over a 30 min and two different 70 min circuits) have averaged 0.34 mph faster in 7-11 mph winds. The 70 min circuits include 1100 ft. of climb. I used the same bike and same Conti GP 4000 S II tires. However, crosswinds affect these 454's noticeably more than my Gen 1 Zipp 45 mm wheels if you only consider how much buffeting you feel. Granted, these 454's measure 53 mm to 58 mm deep, depending on where you measure the whale ridge profile. I give them 5 stars for performance and 4 stars for value because I feel the crosswind control improvement for such a deep wheel is slight .... very slight for the extra $$$ you're shelling out. Buy them for the straightline aero speed and the cognition hub ... they're fast. Good luck in gusty 20 mph winds though, if you weigh 138 lbs like me, or just switch back to a 30 mm wheel in the wind.

Reviewed 2/27/2018
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