Originally developed to build on Shimano‘s top level component group Dura Ace, the Di2 electronic shifting system changed the roadie game with unmatched speed, accuracy and precision. Now with its third iteration, Di2 makes its debut for internal gearing systems by joining Alfine, Shimano’s premium-level component group for city cycling. The Alfine Di2 Shimano introduces a whole new way of thinking about how a commuter …
Alfine Di2
