Profile Design Sonic Ergo 39a Aerobars Shimano Dura-Ace The 404’s heritage as Zipp’s

The 404’s heritage as Zipp’s icon of speed extends back decades

To ensure speedy transitions

At the center of the 404 Firecrest Tubeless rim-brake is a versatile and durable new hubset

UTL-15 Cosmo 15:

Those features

Profile Design Sonic Ergo 39a Aerobars Shimano Dura-Ace The 404’s heritage as Zipp’sOVERVIEW The Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimizing their position for both speed and comfort. The 39A is one of the newest versions of our reliable aluminum extension range. Performance The Sonic Ergo is designed to present minimal frontal area to create as little aerodynamic drag as