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The Zipp 303 Firecrest Carbon Clincher features a 45mm cross section that balances the climbing heritage of the 202 with the aerodynamic edge of the 404. This versatile wheel is a favorite among road racers and triathletes due to it's outstanding combination of aerodynamic stability, ride comfort, and climbing aptitude. Exceptional lateral stiffness is the defining quality that inspires confidence in any cornering situation on any terrain.

The latest iteration of the 303 Firecrest Carbon Clincher is infused with technologies refined in Zipp's Indianapolis advanced development lab. The results mean better performance out on the road: More speed, better control, and greater stopping power than its predecessor: 

More Speed: Revised rim profile for reduced aerodynamic drag developed by Zipp's advanced development team in Indianapolis, Indiana, USA. 

Greater AeroBalanceABLC™ Sawtooth™ Technology, a complex dimpling pattern first developed for the top-level NSW wheel lineup. This technology helps to achieve the optimization of low aerodynamic drag and crosswind stability, which Zipp calls AeroBalance. 

Better braking: Zipp’s ShowStopper™ textured braking surface delivers unrivalled rim braking performance in wet or dry conditions. 

Lighter Weight: The 303 Firecrest Carbon Clincher is 65 grams lighter than its previous iteration. 

In both tubular and clincher versions, the wider Firecrest design better protects tires and places more rubber on the road while cornering without adding rolling resistance. A wider rim offers greater vertical compliance for control and comfort on rough surfaces while increasing lateral stiffness for sprinting and cornering.

Wheelbuilder has more experience building Zipp wheels than anyone outside the Zipp factory.  As a factory authorized service center with over 20 years, and thousands of Zipp builds, in our knowledge base Wheelbuilder is uniquely qualified to handcraft a custom Zipp wheel for almost any application.  Whether you're looking for heavy duty wheels to improve durability, further weight savings for the ultimate climber, or unique colors and hub combinations to match your style, we can help personalize your next Zipp wheelset. 

While Wheelbuilder doesn't offer the Zipp 303 Clincher rim for individual sale, we can custom build your dream set of Zipp wheels using this rim. Please visit our Custom Zipp Carbon Road Wheels page to configure your next set of Zipp wheels. 

Rim Specifications:

  • Weight: 440g
  • Tire Type: Clincher (Not Tubeless Compatible)
  • Available hole counts: 18, 20, 24, 28
  • Rim depth: 45mm
  • Max width: 26.40mm
  • Brake track width (center): 26.40mm
  • Internal width: 17mm
  • Max tire pressure: 125psi / 8.62bar
  • Zipp Aero Data

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