Zipp's 303 Firecrest wheelset was designed for the real world... a world full of imperfect conditions, road surfaces and elements where the end result is simple. Efficiency = speed. It is faster, lighter and more powerful on a variety of terrain - whether the surface is asphalt in all its conditions or no asphalt at all and rough terrain. Deeply rooted in Zipp's pursuit to conquer the Spring Classics, the 303 Firecrest was developed with a targeted approach to the demands of modern gravel and lightweight MTBs. The Zipp 303 Firecrest Carbon Disc wheels were tested using direct measurements under real conditions (as opposed to wind tunnel or computer simulations). The results were overwhelming. With an outer width of 30 mm and an inner width of 25 mm, the rim is ideally equipped for even the.
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