Shimano Dura-Ace ST-R9270-RE Di2 Shift/Brake Lever - Right 12-Speed Black used it offers unparalleled power transfer

it offers unparalleled power transfer and pedaling efficiency

and low-rider racks

you'll appreciate the brakes when you go to put your ski on in the middle of a tight couloir

A cord-and-BOA closure sets fit without ladder buckles or pressure points and adds almost no weight

Ventrix provides excellent heat retention

Shimano Dura-Ace ST-R9270-RE Di2 Shift/Brake Lever - Right 12-Speed Black used it offers unparalleled power transferThe Shimano Dura Ace ST R9270 are comfort and control defined with fast wireless shifting and braking modulation that is shockingly precise. The raised hood and longer hood body provide excellent ergonomics and hand support so you can maintain your ideal pedal position for long periods of time without agitating and shifting around. Go longer, go faster, and do it without a second thought thanks to the Shimano Dura Ace ST R9270 Shift Brake Lever.