Thanks to its two internal antennas, with Bluetooth Low Energy and ANT +, it can also communicate in real time with a wide range of external devices. The customer can adjust the reference position of the derailleur and / or rear derailleur using the adjustment procedure known as Drive Setup. The procedures for resetting the rear derailleur and the gear to zero are essential for the system to function. The EPS system is capable of automatically detecting a wide range of faults. Includes set of cables 500 mm (Ergopower), 550 mm (battery).