Shimano Dura Ace ST-R9180 Di2 11-Speed Right Rear Hydraulic Disc Shift/Brake Lever Bike Accessories_Bike Locks softer PWRRUN foam formula cushions

softer PWRRUN foam formula cushions with less weight

resulting in a 58/TwentyFour wheelset that produced off-the-chart results confirming a robust drag profile even in moderate to significant conditions

never needing to look back to know that they’ll never catch you

Bleeding Edge technology for easy and clean brake bleeds

Shimano Dura Ace ST-R9180 Di2 11-Speed Right Rear Hydraulic Disc Shift/Brake Lever Bike Accessories_Bike Locks softer PWRRUN foam formula cushionsCustomizable the function to fit in rider's riding styleSingle button on each side of the shift lever only works with Synchro ShiftE TUBE projectNew cable junction (EW RS910 911, EW JC130) available to integrated with bike frameSwitch button integrated inside without hand releaseIntuitive shifting controlClean cockpit areaOptimum power transmitted with grip firmlyOptimally balanced hydraulic brake system for racingIntegrated E TUBE cable and internal