Upgrade your 12-speed Shimano groupset on your MTB with Shimano’s latest electronic, wirelessXTR Di2 Drivetrain Kit.
Specifications:
- Product type: rear derailleurs
- Speed: 12-speed
- Discipline: MTB (mountain biking)
- Di2: yes
Kit includes:
- 1 x rear derailleur
- 1 x shift switch
- 1 x BT-DN320 battery
- 1 x EC-DN100 battery charger
- 1 pair x 12s Quicklink
