Recently Zipp announced the launch of new 303 Firecrest and 454 NSW tubular wheels, along with Ergo bars and tyre upgrades. According to the statement given by Zinc it has a new manufacturing process for the 45mm deep 303 and that it now benefits from trickle-down from its premium NSW wheels. With no brake track to cater for, the disc brake version of the 303 has a rim with Zipp’s ABLC Sawtooth dimples extending to the outer edge.
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The company also mentioned that these optimized torsion and lateral stiffness and robustness. Zipp’s quick release levers are also designed in a way to be ergonomic and sit flush with the frame.
Considering the rim brake wheels are priced at £907 for the front and £1079 for the rear wheel, prices vary according to the features and the company quotes a weight of 1339g. Similarly, for the disc brake version, prices are quoted as £1071 front and £1250 rear and wheel set weight is 1410g.
Talking about the new Zipp 454 NSW tubular rim and disc brake wheels, originally launched as a clincher only, the 454 NSW is now available as a tubular too. According to the company, this design reduces aero drag and also a side force on the NSW tubules. Along with the dimple pattern, the profile claims to stabilize handling in blustery situations.