Ultimate Control and Precision
The Shimano Dura Ace Di2 ST-R9180 + BR-R9270 Hydraulic Disc Brake set is a game-changer for serious cyclists. This 2x11-speed set combines the electronic ST-R9180 STI lever for base bars with the hydraulic BR-R9270 disc brake caliper. The result? Unparalleled control and precision in your hands. Whether you're a seasoned pro or an aspiring enthusiast, this set will take your cycling experience to the next level.Effortless Maintenance
Say goodbye to complex maintenance routines. The Dura Ace Di2 ST-R9180 + BR-R9270 features Shimano's proven One Way Bleeding concept and the Easy Hose Joint System. These innovations simplify brake hose exchanges and ensure trouble-free maintenance, keeping you on the road and away from the workshop.J-Kit for Easy Installation
With the J-Kit hose joint, installation and removal of the brake hose are a breeze. The integrated olive in the brake lever streamlines the process, making it hassle-free. Spend less time fiddling with your brakes and more time doing what you love - riding.State-of-the-Art Technology
The electronic Shimano Dura Ace Di2 ST-9180 Dual Control lever is engineered for Time Trial and Triathlon handlebars. Its Synchro-Shift mode allows you to shift effortlessly with just one button on each shift/brake lever, controlling both the rear and front derailleur. The brake lever is also designed with reach adjustment for a tailored fit, ensuring maximum comfort during your rides.Lightweight and High-Performance
The Dura Ace BR-R9270 disc brake caliper boasts a one-piece Mono-Body design that's incredibly light and stiff. Compact in size, this Flatmount brake delivers exceptional performance. A 10% increase in brake pad spacing reduces braking noise, providing a smoother, quieter ride. Plus, when paired with the RT-MT900 brake disc rotor (sold separately), you'll enjoy an incredibly quiet and efficient braking system.Effortless Maintenance
Maintenance is a breeze with the hydraulic 2-piston brake caliper. It features Shimano's trusted One-Way-Bleeding system and a unique bleed nipple and opening screw arrangement. This design minimises the risk of hose slippage during maintenance and eliminates the need to dismantle the caliper from the frame for bleeding.. Ultimate control and precision with the Shimano Dura Ace Di2 ST-R9180 + BR-R9270 Hydraulic Disc Brake set.
. Effortless maintenance thanks to the One Way Bleeding concept and Easy Hose Joint System.
. J-Kit hose joint for simplified brake hose installation and removal.
. State-of-the-art Synchro-Shift technology for seamless gear changes.
. Lightweight and high-performance Mono-Body design in the BR-R9270 disc brake caliper.
. Reduced braking noise with a 10% increase in brake pad spacing.
. Effortless maintenance with the One-Way-Bleeding system and unique bleed nipple arrangement.Technical Specifications. Brake Lever Material: Carbon fibre reinforced polymer (CFRP, painted)
. Brake Caliper Material: Aluminium (anodised)
. Pistons: Resin
. Weight (STI Lever): Approx. 99 grams
. Weight (Caliper): Approx. 120 grams