Notify me when this product is available:
Please select a Size first
True enough, Dura-Ace Di2 made a big splash when it was introduced. But Shimano's unveiling of Ultegra Di2 has us perhaps even more excited. Any skepticism we may have had...
View full product details →
© 2015 Giantnerd .
Designed by Out of the Sandbox.
POS and Ecommerce by Shopify