To convert an existing mechanical 1 x 12-speed Shimano drivetrain to an electronic Di2 drivetrain
The upgrade kit includes a rear derailleur (RD-M8250-SGS), a shifter (SW-M8250-R), a battery for the rear derailleur (BT-DN320) and the matching charger (EC-DN100), as well as a chain lock (SM-CN910-12)
To convert an existing mechanical 1 x 12-speed Shimano drivetrain to an electronic Di2 drivetrain
The upgrade kit includes a rear derailleur (RD-M8250-SGS), a shifter (SW-M8250-IR), a battery for the rear derailleur (BT-DN320) and the matching charger (EC-DN100), as well as a chain lock (SM-CN910-12)
To convert an existing mechanical 1 x 12-speed Shimano drivetrain to an electronic Di2 drivetrain
The upgrade kit includes a rear derailleur (RD-M9250-SGS), a shifter (SW-M9250-IR), a battery for the rear derailleur (BT-DN320) and the matching charger (EC-DN100), as well as a chain lock (SM-CN910-12)
To convert an existing mechanical 1 x 12-speed Shimano drivetrain to an electronic Di2 drivetrain
The upgrade kit includes a rear derailleur (RD-M8250-GS), a shifter (SW-M8250-R), a battery for the rear derailleur (BT-DN320) and the matching charger (EC-DN100), as well as a chain lock (SM-CN910-12)
Protected battery: The battery is safely housed in an enclosed space so that it does not move even in the roughest terrain and can be completely removed for charging
SHIMANO SHADOW ES: A slimmer, stronger evolution of Shimano's groundbreaking Shadow concept for chain stabilization
To convert an existing mechanical 1 x 12-speed Shimano drivetrain to an electronic Di2 drivetrain
The upgrade kit includes a rear derailleur (RD-M9250-SGS), a shifter (SW-M9250-IR), a battery for the rear derailleur (BT-DN320) and the matching charger (EC-DN100), as well as a chain lock (SM-CN910-12)