Shimano dura ace r9150 di2 11 speed groupset 170mm 1130 3652
System engineering at its peak each of the components magnifies the qualities of the others for an unparalleled level of performance optimising input to maximize output thats how it achieves supremacy the shimano dura ace r9150 di2 11 speed groupset contains the following shimano st r9150 dual control levers 2 x 11 speed more control and confidence in race conditions optimally balanced hydraulic brake system for racing dedicated brake lever shape stroke contact point stiffness