Zipp's 303 Firecrest® Tubeless Disc Brake Wheelset is designed for the real world... a world of imperfect conditions, road surfaces and elements where the end result is simple. Efficiency = speed. It is faster, lighter and more effective on different terrains, whether the surface is paved in all its conditions or not paved at all. Deeply rooted in Zipp’s drive to conquer the spring Classics, the new 303 Firecrest has been remade with a focused approach to the demands of modern road bikes. When it comes to riding a bike fast, efficiency means reducing: wind resistance, rolling resistance, rider fatigue, weight. The 303 Firecrest tubeless disc brake was designed using direct real-world measurements (versus primarily wind tunnel or computer simulation). The results were enormous. Its rim has.
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