VeloNews | Shimano’s electronic Dura-Ace
Shimano has formally announced plans to release Dura-Ace Di2, a new electronic shifting option for the all-new 7900 series Dura-Ace, in January.
Composed of dual control shift/brake levers, front derailleur, rear derailleur, a wiring harness and battery pack, the new Dura-Ace Di2 7970 components integrate with components from the upcoming [...]
