Product Description
The ergonomic design of the Dura-Ace ST-R9270 dual control shifters further enhances the level of comfort and control. With the fastest wireless shifting on the market and increased braking control.Now with Servo Wave Action braking technology, the Dura-Ace ST-R9270 brake levers offer modulation and control like never before. All this with the Dual Control system, which uses the most advanced materials to provide light and refined ergonomics, providing comfort and control for the most demanding conditions.The Dura-Ace BR-R9270 hydraulic calipers, with a one-piece construction, ensure rigidity and lightness. The BR-R9270caliper provides more clearance for the pads to avoid noise while riding. Finally, a new bleeding process makes maintenance easier than ever.Product Highlights Version: DI2 / hydraulic braking. Servo Wave technology optimizes braking control: Smoother, more responsive lever operation. Improved modulation with extended brake control area Streamlined cockpit: Wireless connection improves aerodynamics and facilitates maintenance. 1.5 to 2 years of battery life with easy-to-change CR1632 batteries for the shifters. Unparalleled ergonomic engineering developed with feedback from professional riders: Raised handle tip improves ergonomics, while an extended body increases hand support. Advanced materials: Carbon fiber brake lever and titanium parts. 10% more pad spacing to reduce braking noise. More accessible bleeding process for maintenance.Details Group: Dura-Ace Di2 R9200 Series Tube length: 1000 mm Compatible mounting: Flat Mount Shimano mineral oil required. Reference: IR9270DLF6SC100E.