Shimano ST-R8020 Front Disc Brake Kit + BR-R8070 + Hoses
Shimano ST-R7170 (R) + BR-7170 (R) Rear Disc Brake Kit
Shimano 160mm RT70 SLX Center Lock ICE-TEC Disc | SMRT70S |
Shimano Di2 Etube Electric Cable 900mm 2016 | EWSD50L90 |
The new DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it provides stable power to Shimano's 12-speed road derailleurs and derailleurs.