2025 Zipp 454 NSW Tubeless Disc - Brake - C1

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$1,900.00 - $2,300.00
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Weight:
6.00 LBS
Width:
26.00 (in)
Height:
12.00 (in)
Depth:
26.00 (in)
Current Stock:
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Zipp's 454 NSW Tubeless Disc-brake is the ultimate road racing wheelset. This wheel delivers everything the performance cyclist demands. It's aerodynamically efficient and stable in all wind conditions. What's more, a wider rim is designed for tubeless tires at lower pressure for reduced rolling resistance and vibration damping, so you'll lose as little energy as possible out on the road. For the best combination of aerodynamics and rolling resistance gains a 28mm tire is recommended on this wheel. Its undulating 58mm Sawtooth rim shape with Hyperfoils is our most aerodynamic and stable wheel. The 454 NSW features Zipp's Total System Efficiency (TSE), our approach at combating the biggest enemies of speed: wind resistance, gravity, rolling resistance, and vibration losses. Zipp's use of hookless (straight side) rims in the 454 NSW is integral to Making You Faster. With hookless, the transition between the tire and the rim is more seamless and aero. Zipp's hookless rims have more efficient resin distribution, which means lighter, stronger wheels. The 454 NSW features the race-ready ZR1 SL hubset with ceramic bearings and 66 points of engagement. The hubset also is 30 g lighter than the predecessor hub in NSW wheels.

Features

  • Weighs 30 g lighter than previous model
  • ZR1 SL hubset with ceramic bearings
  • TSE for greater efficiency and reduced rolling resistance
  • Sawtooth rim with Hyperfoil nodes and HexFin ABLC dimple pattern for top aero and crosswind-stability performance with an undulating 53/58mm rim depth
  • Zipp graphics applied using Zipp's ImPress direct-print technology
  • XDR or SRAM/Shimano driver bodies
  • Ships with 12mm front and rear end caps
  • Center locking rotor interface. Lockring is included with the wheels
  • Campagnolo driver body sold separately
  • 1400 g
  • Lifetime Warranty

Technical Features

Hyperfoil

Hyperfoil is the name given to the individual nodes on Zipp NSW variable depth Sawtooth rims. Each of these patented structures features our HexFin ABLC dimples that help to stabilize handling in gusting wind by increasing wind vortex shedding frequency. The higher frequency vortex shedding produced by Sawtooth creates a greater number of smaller, less powerful, yet more predictable vortices leading to greater wheel stability. This added stability translates into greater rider control, thereby saving energy that is typically expended trying to hold a line in gusting wind. The result is a faster, more confident riding experience whether you are laying down power or descending sinuous mountain roads.

HexFin ABLC

HexFin ABLC dimples are the hexagonally shaped depressions found at each Hyperfoil of our Sawtooth shaped NSW rims. The angular shape of each dimple increases boundary layer mixing to help keep airflow attached to the rim for reduced aerodynamic drag and improved stability in crosswinds. To further improve the effectiveness of the hexagonal dimples, they are arranged in fin-shaped clusters made up of variable sized dimples that work in concert with each Hyperfoil of a Sawtooth rim.

TSE Technology

Zipp’s TSE Technology (Total System Efficiency) was developed by our engineers in the Nest Advanced Development Lab in Indy. This approach to carbon-wheel manufacturing means the Firecrest’s precise rim layup results in greater all-around efficiency for greater speed through reduced: Wind resistance, rolling resistance, gravity (weight + durability), vibration losses

ImPress

We’ve employed Zipp’s ImPress graphics technology, which prints graphics directly on the wheel, to help allow the dimples to do what they were design to do – help control vortex shedding, the rate at which air sheds off the wheel. Managing this is crucial to stability.

SawTooth

SawTooth is the name given to Zipp NSW’s patented variable depth 53/58mm rims. Developed utilizing the principles of the emerging science of biomimicry, Zipp engineers began the rigorous aero development process of SawTooth utilizing the wind tunnel, CFD, and real-world testing. The result is a rim shape that takes nature’s most elegant design solutions and combines engineering precision to deliver a wheel that performs unlike any made before. This patented new rim shape achieves something conventional aero wheels cannot; it simultaneously reduces both aerodynamic drag and side force for the ultimate in AeroBalance. Sawtooth accomplishes this with a series of patented fin-shaped Hyperfoil nodes along the inner diameter of the rim that work together with our new HexFin ABLC dimples for improved airflow. The result is Zipp’s highest performing wheelset ever realized with both aero-drag reduction and reduced side force at all wind yaw angles. This is important because higher wind yaw angles are where bike handling is most affected by the wind.

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Size (wheels):
700c
Rim construction:
Carbon - Hookless
Tire compatibility:
ISO/TSS Compatible tubeless tires (28-35c) tube or sealant
Rim depth:
58mm
Brake compatibility:
Disc (Center Lock)
Rim - inside width:
23mm
Rim profile:
Symmetrical
Rim finish:
UD fiber, Impress technology
Hub:
ZR1 SL
Driver body type:
n/a, SRAM XDR, SRAM/Shimano Road
Bearings:
Custom Hybrid Ceramic - 61803, Custom Hybrid Ceramic - 61803/61903
Max tire pressure:
73psi/5.0bar
Max recommended system weight:
250lbs/114kg
Spoke Length DS:
252mm, 254mm
Spoke Length NDS:
256mm
Max outside width:
28mm