A first look at Shimano-Road’s new Dura-Ace discs

A first look at Shimano-Road’s new Dura-Ace discs


Shimano’s new Dura-Ace R9170 hydro discs, 140 or 160mm rotors. The new hydraulic brakes are much lighter, 2389g complete groupset weight, just 338g more than the new Dura-Ace R9150. The shifter shape has been redesihned too, to be almost identical in size to the non hydro shifter.