Zipp 404 firecrest tubular road rear wheelthe zipp 404 firecrest is one wheel that does it all perfect for every situation that requires speed with the depth and shape proven in all conditions it is an ideal option for every triathlon distance breakaways sprints and hill finishes precision engineered hubs along with firecrest technology create something special the 404 firecrest tubular weighs 840grams providing best in class performance at a lightweight making it perfect for hilly cours