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The Zipp 303s are on the shallower side of mid-depth, currently 45mm, making it light enough for lots of climbing while deep enough to make a noticeable difference on the flats. They’re also tough enough for pavé and cyclocross. The Zipp 303 Firecrest wheelset is the basic, with the 303 NSW (Nest Speed Weaponry) an upgrade, and 353 NSW adding a wavy hyperfoil shape, which is faster and more stable than the 303.
Zipp 303 - Weight, Specs, Features
2023 Models | Internal Width | Rim Depth | Wheelset Weight |
303 S | 23mm | 45mm | 1530g |
303 Firecrest | 25mm | 40mm | 1352g |
353 NSW | 25mm | 45mm | 1255g |
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