Shimano Front Control. 105 Di2 ST-R7170 + BR-R7170 + Tube 2x12v

- Wireless connection for lightning-fast shifting

- Two CR1632 batteries (battery life: 3.5 to 4 years)

- Compactness and ergonomic performance inherited from the DURA-ACE groupset

- Raised handguards that improve ergonomics and hand support

- Customisable gearboxes via the E-TUBE app

- Pad distance increased by 10% which reduces the possibility of rubbing the brake disc

- Low-maintenance purge procedure

- Flatmount pliers BR-R7170

- Hydraulic Hose SM-BH90-JK

-Mineral oil

- Tube length 1000mm

- Connection port for SD300 cables

- L05A resin pads included

- Weight 390gr