When it comes to high performance wheelsets the zipp 404 firecrest wheel has become the benchmark to which all other wheels are compared therersquos a reason for that we have led the 58mm rim category for more than 20 years you could say our experience gives us a home court advantage as a result the 404 is a repository of everything we know we were working on the 404 when we made the discoveries that led to our revolutionary firecresttrade technology firecrest doesnrsquot just make