Zipp’s 303 Firecrest Carbon Tubeless disc brake wheels were designed to make you faster. Zipp focused on making the wheels as efficient as possible because, efficiency=speed. Zipp made the 303 Firecrest wheels more efficient by creating a wider and shallower rim profile. It allowed for wider tires to reduce rolling resistance, it helped reduce weight, and the bulbous design proved to be more aerodynamic.
Features:
- Optimized for wider 28mm tires
- Wide 25mm internal width









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