ZIPP rear wheel 28 "353 NSW Carbon Clincher | Tubeless | Center Lock | 12x142 mm thru axle | SRAM XDR freehub body
Lighter, wider and faster - this is how you could describe the latest addition to the aerodynamics experts at Zipp from Indianapolis. In addition, the intended use the 45 millimeter high 353 NSW has become even wider compared to the classic 303 wheel series with the same rim height. With an inside rim width of 25 millimeters, which is extreme for the racing bike sector, the Americans are breaking new ground. As was found out in Zipp's in-house "The Nest" development center, 28 millimeter wide road tubeless tires roll significantly better with low air pressures compared to comparable 25 millimeter tires. Wide all-road tires can show their rolling resistance and comfort advantages, especially in poor road conditions. Due to the large inner rim width, the rims not only offer wider tires optimal support at low air pressures, they also integrate the tires extremely efficiently into the rim profile from an aerodynamic point of view. In addition, the hookless design creates an almost seamless transition between the tire and the rim flanks. The fact that the hooks are omitted 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 1255 grams. That makes the 353 NSW wheels extremely agile and light-footed.
Total System Efficiency (TSE)
The 353 NSW wheels were developed using the TSE approach. The development goal was to find the best possible wheel design to overcome the speed barriers that existed 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 pulley freewheel, but due to the special arrangement of the toothed disks (axial clutch) it generates only half as much frictional resistance when rolling as a conventional pawl system. The second version of the hubs has an improved sealing system and the freewheel mechanism responds even faster.
Introduced with the Zipp 858 NSW, the 353 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 43 and 48 millimeters. In conjunction with the newly designed hexagonal ABLC dimples (depressions on the outer sides of the rim), the design ensures very high crosswind stability, especially at larger angles of attack.
With the ImPress graphics technology, the Zipp lettering is printed directly on the rim. This allows the recessed structures on the rims to develop their full effect.
NOTE: Due to the hookless profile, the Zipp 353 NSW wheels are only suitable for use with ETRTO-compliant tubeless tires. The corresponding tubeless tire can, however, be ridden with a tube on the wheels without any problems.
intended use : racing bike, gravel, cyclocross
Impeller size: 28 "(ETRTO: 25-622)
Rim type: carbon clincher (clincher and folding tires)
Brake type: only for disc brake
Brake disc mount: Center Lock
Material: carbon, aluminum
Inner width: 25 mm
External width: 30 mm
Rim height: 45 mm
Number of holes: 24 holes
axle type : 12x142 mm plug axis (QR12)
bearing : 4x industrial warehouse
Freewheel compatibility: 12-speed SRAM XDR
Freewheel type: Axial Clutch pulley system; 54 locking points per wheel revolution
Spokes: 24x J-Bend Sapim CX-Ray
tubeless capable: yes
Recommended tire width: 28-55 mm (aerodynamically optimized for 28 mm tires)
maximum system weight: 113 kg
maximum tire pressure: 5 bar (73 psi)
Finish: UD carbon matt
Weight according to the manufacturer: 675g (without tubeless tape and without tubeless valve)
Weight weighed: n / a
Scope of delivery:
1x rear wheel Zipp 353 NSW
1x tubeless rim tape
1x tubeless valve
1x Center Lock locking ring
INFO: only available for European + Russian customers