Caledonia-5 Dura Ace Di2 Size:61 For use with HG 12-speed

For use with HG 12-speed chains

3D-Printed Padding: The evolution of digital 3D printing has allowed us to develop a new saddle without the constraints or limitations imposed by traditional production methods and materials

Color (Chainring): Black

Compatible only with ST-4700 or ST-RS405 shifters

Caledonia-5 Dura Ace Di2 Size:61 For use with HG 12-speedOn the fringes of cycling and triathlon, already endurance oriented sports, there are athletes pushing their bodies and equipment to the limit. Ultra distance, but ultra fast. We call these Big, Stupid Rides, and since the introduction of the Caledonia in 2020, athletes around the world have been exploring just how big and just how stupid those rides can be. These athletes reach for the Caledonia 5. Its built to handle long distance, high speed