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Shimano ST-R9270 Dura-Ace Di2 LH STI Lever 2x12-Speed w/ BR-R9270 Hydraulic Brake Caliper Rear


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Achieved wireless while maintaining high-speed shifting. Overwhelming ergonomic performance that embodies the demands of professional riders.

    • Clean Cockpit: Wireless connectivity makes your bike's cockpit simpler and more beautiful while retaining high-speed shifting

-Uses a CR1632 battery that is easy to replace (battery life: one and a half to two years)

    • Overwhelming ergonomic performance improved based on professional rider feedback

-The grip that extends upward improves the anti-slip effect when gripped and the ergonomics in the aero position.

・ Compatible with satellite shifters

    • Optimized brake control with Servo Wave Technology

・ Lighter and smoother lever operation

・ Improved modulation by expanding the control range of the brake

    • State-of-the-art material

-Carbon fiber brake lever and titanium hardware

    • Supports wired connection (E-BIKE application)
    • Customize DURA-ACE to the best specifications for you

・ You can easily customize the button function with the E-TUBE app.

・ The reach adjustment function allows easy adjustment to the optimum lever position.


Achieves weight reduction while maximizing rigidity with a one-piece structure

  • By increasing the pad clearance by 10%, friction with the rotor is reduced.
  • Easy-to-maintain bleeding process