Dura-Ace ST-9120-R Rear Shifter and Brake Set Baskets Auto-off when bike is parked

Auto-off when bike is parked or light is removed from mount to prevent the dreaded 'dead bike light' when it comes time for the next ride

10% larger sweet spot and 74% less shock than traditional synthetic gut string

pick and drill resistant cylinder

Road bikes

12x142mm and 12x148mm Thru Axle

Dura-Ace ST-9120-R Rear Shifter and Brake Set Baskets Auto-off when bike is parkedDura Ace shifter brake lever and hydraulic flat mount caliper set Includes SM BH90 hose (pre bled), plus shift cable and housing Shorter shift lever stroke, lighter front shifting operation Reach and free stroke adjustment ServoWave technology for improved modulation Comfortable hood shape, closely matches the mechanical levers Compatible with Ice Tech Freeza pads and rotors Wide pad clearance and chamfered brake pads Consistent braking performance in