Shimano Hydraulic Rear Disc Brake Dura-Ace Di2 BR-R9270 Left ST-R9270 2x12-Speed

FEATURES

Left Dual Control Lever

SHIFTER

• Clean Cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast
• 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries
• Unparalleled ergonomics engineering refined with pros' feedback
• Raised hood peak improves ergonomics, while a longer hood body increases hand support
• Compatible with satellite shifters
• SERVO WAVE technology optimizes brake control
• Lighter, smoother lever action
• Enhanced modulation thanks to an expanded braking control area
• Advanced Materials
• Carbon fibre brake lever and titanium hardware
• Compatible with a wired connection (for e-bike application)
• Make DURA-ACE yours with custom button function and adjustable ergonomics
• Easily change button function with the E-TUBE app
• Find your optimum lever position with simple reach adjust

CALIPER

• One-piece structure maximizes stiffness and reduces weight
• 10% wider pad clearance decreases the chance of rotor rub
• Maintenance-friendly bleeding process