SHIMANO Dura-Ace Di2 R9170 Hydraulic model available now!
https://alexscycle.com/collections/new-items/products/shimano-dura-ace-br-r9170-hydraulic-disc-brake-caliper
https://alexscycle.com/collections/new-items/products/shimano-dura-ace-disc-rotor-sm-rt900
https://alexscycle.com/collections/new-items/products/shimano-dura-ace-st-r9170-dual-control-hydraulic-brake-lever