https://forum.slowtwitch.com/t/fs-zipp-z4-404-clinchers/391014
FS: Zipp Z4 404 clinchers - Classifieds - Slowtwitch Forum
Aug 29, 2007 - Hey all, I ride purely tubular now, so these babies have to go! Zipp Z4 404’s -These are the upgraded ceramic version of the 404’s, the hubs are soo smooth...
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