Shimano dura ace double mechanical 11 speed sti levers
The shimano dura ace double mechanical 11 speed sti levers deliver consistent braking performance in any condition shimano dura ace double mechanical 11 speed sti levers features precision engineered dura ace sti lever for the ultimate in powerful braking and effortless 11 speed shifting making it the global choice for road racing39s elite riders dura ace r9100 sti are lightweight thanks to carbon fibre lever blades carbon composite bracket