Brand new Dura-Ace DB Set Front from Shimano.

Shimano DURA-ACE ST-R9270 feature the all-new lever ergonomics through Dual Control Lever and bring a new level of comfort and control to road cycling. With the fastest wireless shifting and even more precise brake adjustment, DURA-ACE redefines performance.

Featuring SERVO WAVE ACTION brake technology, the new DURA-ACE ST-R9270 brake levers offer unprecedented modulation and control. Wireless shifting keeps your bike clean while providing the fastest, most precise gear changes on the market.

All of this is housed in dual control levers that use state-of-the-art materials to deliver lightweight and sleek ergonomics, providing comfort and control even in the most demanding conditions.

Specifications:

Brand new
Carbon fiber brake lever and titanium hardware
Easily change button function with the E-TUBE app
Lighter, smoother lever action
SERVO WAVE technology improves braking performance
10% more pad clearance reduces the possibility of rotor rub.
Enhanced modulation thanks to an expanded braking control area
Battery life of 1.5 to 2 years with easy-to-change CR1632 shifter batteries
Wireless connectivity improves the aesthetics of your bike while maintaining lightning-fast shifting.
Great Shimano quality