Shimano Dura Ace ST-R9100 11-Speed Mechanical Rim Brake Levers Select:Right and all four piston bores

and all four piston bores can communicate

Spring: Air

Dual Layer Anti-fog lenses

good in all weather conditions

Compatible with: Shimano

Shimano Dura Ace ST-R9100 11-Speed Mechanical Rim Brake Levers Select:Right and all four piston boresShimano Dura Ace ST R9100 11 Speed Mechanical Rim Brake Levers Precision engineered Dura Ace sti lever for the ultimate in powerful braking and effortless shifting, making it the global choice for road racing's elite riders. Dura Ace R9100 STI shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band fixing bolt Shift cables routed under the bar tape using polymer coated inner wires make for