Earlier in 2017 Zipp launched the 454 and the 858 Carbon Rims and radically changed the design of what carbon wheels look like.  Zipp incorporated what they called a biomimicry-derived Sawtooth rim. Humpback Whales Aerodynamics And Hydrodynamics Rather than the wheels being circular on the inside, a sawtooth pattern is used, mimicking properties of the … Continue reading Zipp 454 and 858 Wheelset Review