Shimano dura ace r9120 road disc brakethe dura ace r9120 road disc brake combines the mechanical 9120 shifters with the hydraulic 9170 brake calipers for a combination of smooth and speedy shifting with powerful and efficient braking this kit comes pre bled with shifter hose caliper and pads the 9120 shifters feature a re designed brake hood that is more comfortable to grip especially for those with smaller hands the shifters also offer up to 14mm of reach adjustment the shifter hood has