Shimano Ultegra DI2 control unit
The control unit for standard racing handlebars features a battery indicator and a rear derailleur adjustment function. The right and left shift levers are connected to the control unit. Additionally, EW-SD50 cables are required to connect the battery, rear derailleur and front derailleur.
Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com