Zipp's 404 Firecrest Carbon Clincher wheelset is a testament to all-around advancement in wheel design. Its 58mm aero depth and wide profile provides proven performance in all situations, and at 1,690g (700c), you'll feel confident staying the course in less-than-ideal conditions. Whether you're looking for everyday riding performance or a race day wheelset to stay ahead of the pack, the 404 Firecrest has a great balance of weight, stability, and efficiency that complements strong riders. Zipp's 77/177 hubset, laced with Sapim CX-Sprint spokes, provides maintenance-free reliability and lateral stiffness, while trusted stopping power is supplied via Tangente Platinum Pro Evo brake pads. Included with each wheel are a Zipp-integrated Valve Extender with valve-core wrench, rim tape, and quick release.