The 454 NSW is the ultimate road racing and fast ride wheelset for the performance oriented rider. With its aerodynamic efficiency, crosswind stability and its low weight, it is ideally suited for all conditions and route profiles.
Despite the very large inner rim width of 23 millimeters, the 454 NSW have been optimized for 25 millimeter wide tubeless tires. The large inner width not only ensures lower rolling resistance, it also allows the tires to be driven with lower air pressures in order to reduce vibration losses and increase comfort. The hookless (hookless) design creates an almost seamless transition between tire and rim flanks and ensures extremely low air resistance. The omission of the hooks also makes the rim flanges more robust in the event of punctures and contributes to the significant weight savings compared to the previous versions. In combination with further optimizations in the structure of the carbon layers, the weight of the wheelset could be reduced to 1358 grams. This makes the 454 NSW wheels extremely agile and light-footed. In a field test commissioned by Zipp, the new 454 NSW was able to demonstrate its strengths. Compared to the previous version, the rider with a system weight of 85 kg (including wheel) needed 10 watts less pedaling power to maintain a speed of 40 km/h.
Total System Efficiency (TSE)
The 454 NSW wheels were developed under the TSE approach. The development goal was to find the best possible impeller design to overcome the speed barriers that exist under realistic driving conditions. In addition to wind resistance, gravity and rolling resistance, this also includes vibration losses in poor road conditions.
Zipp Cognition hubs
The Cognition V2 hub set, developed in Germany, impresses with its unique freewheel system. The system is similar to a toothed disk freewheel, but due to the special arrangement of the toothed disks (axial clutch) it only generates half as much frictional resistance when rolling as a conventional ratchet system. The second version of the hubs has an improved sealing system and the freewheel mechanism is even more responsive.
Sawtooth design
Introduced with the Zipp 858 NSW, the 454 also got the aerodynamically extremely efficient sawtooth profile that was modeled on the fin ends of the humpback whale and allows the rim height to vary between 53 and 58 millimeters. In combination with the newly designed hexagonal ABLC dimples (depressions on the outside of the rim), the design ensures very high crosswind stability, especially at larger angles of attack.
ImPress graphics
With the ImPress graphic technology, the Zipp lettering is printed directly onto the rim. This allows the recessed structures on the rims to unfold their full effect.
Zip Lifetime Warranty
Zipp gives you a lifetime guarantee on your Zipp wheel if used properly. The warranty also covers racing and damage caused by rider error, as long as the wheel has been used for its intended purpose. The guarantee only applies to the original purchaser and proof of purchase is mandatory!
NOTE: Due to the hookless profile, the Zipp 454 NSW wheels are only suitable with the use of ETRTO-compliant tubeless tires. However, the corresponding tubeless tires can be ridden with tube on the wheels without any problems. You can find an overview of all compatible tires for your Zipp hookless wheelhere .
Technical specifications:
Brake type: only for disc brake
Brake disc mount: Center Lock
Materials: carbon, aluminum
Internal width: 23mm
Outer width: 28mm
Rim Height: 58mm
Number of holes: 24 holes
axle type : 12×100 mm thru axle (QR12)
bearing : 2x industrial bearings
Spokes: 24x J-Bend Sapim CX-Ray
tubeless capable: yes
recommended tire width: 25-32 mm (aerodynamically optimized for 25 mm tires)
maximum tire pressure: 5 bar (73 psi)
maximum system weight: 113 kg
Finish: UD carbon matte
Color: Black
Weight according to the manufacturer: 631g (without tubeless tape and without tubeless valve)
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