Zipp 454 NSW Rear Wheel – 700 12 x 142mm Center-Lock XDR Tubeless Carbon C1. The 454 NSW is Zipps top-tier road racing wheelsetbuilt for speed stability and efficiency. Its 58mm Sawtooth rim with Hyperfoils offers unmatched aerodynamics and handles well in any wind. Designed for tubeless tires the wider hookless rim allows lower pressure for less rolling resistance and more comfort. Pair it with a 28mm tire for the best balance of speed and ride quality. Zipps Total System Efficiency (TSE) tackles key performance killers: wind weight rolling resistance and vibration. The hookless rim design also makes the wheel lighter and more aerodynamic by creating a smoother tire-to-rim transition.The 454 NSW rolls on Zipps premium ZR1 SL hubset with ceramic bearings and 66 points of engagementnow 30 grams lighter than the previous model.

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