SHIMANO brake-set DURA-ACE BR-R9270-KIT front/ST-R9270 Di2 (J-kit) FLAT MOUNT polymer+cooler SM

Front disc brake Shimano DURA ACE Di2 ST-R9270+BR-R9270, 2 speeds
The Shimano Dura Ace Di2 ST-R9270 brake lever with BR-R9270 caliper, now equipped with SERVO WAVE braking technology, offers unmatched modulation and control. The wireless shifting gives the bike a clean look and allows for uniquely fast and precise shifting. All these features are integrated into the DUAL CONTROL shift/brake lever, which is lightweight and ergonomic thanks to the use of state-of-the-art materials, ensuring optimal comfort and control even in challenging conditions.
Shimano Dura Ace Di2 2-speed STI Dual Control ST-R9270 + BR-R9270 disc brake
Shimano has been working for years to give you a head start of seconds. The new 12-speed DURA-ACE R9200 set is the fastest set ever and the pinnacle of SHIMANO technology and innovation. Speed was a key factor in the development of this new generation of road bikes. That's why every component has been redesigned, refined and optimised to make you even faster - whether you want to leave the peloton behind or win the final sprint on the Champs-Élysées.

BR-R9270 hydraulic two-piston brake caliper with Flat-Mount mount and L03A resin disc pads with ribbing. Completely newly developed hydraulic disc brakes provide an unprecedented combination of stopping power and handling. Thanks to a completely new monoblock design, the pinnacle of high braking performance has now been achieved. The lighter BR-R9270 caliper offers wider pad spacing and reduced noise levels. Finally, a new bleeding system makes maintenance easier than ever.
Features - Shimano DURA ACE Di2 ST-R9270-L + BR-R9270 2-speed hydraulic disc brake
FASTEST AND MOST RELIABLE SHIFTING EVER
Improved aerodynamics - Redesigned DUAL CONTROL shift/brake levers with raised and rounded brake handles
Drive can be tailored to rider preferences via the E-TUBE app
Among other things, the shift speed can be adjusted, full or semi-synchronous shift mode can be selected and the program buttons on the shifter can be assigned specific functions.
Wireless connectivity where it matters
SHIMANO has developed the extremely secure Di2 wireless chip, which features a low probability of interference, unrivalled processing speed and lower power consumption.
Fastest shifting front and rear
Wireless STIs convince with high energy efficiency and a battery life of up to 1.7 years (CR1632)
Quieter and easier to maintain brake components
Excellent brake control and heat dissipation
Easy wheel change
Easy and clean bleeding system
Product Features
Application.
Group: Dura Ace Di2 R9250
Model: ST-R9270-L
Type: Dual Control (STI)
Handlebar Mounting: left
Front gearbox: 2-speed
Optical display for gearbox: No
Lever reach adjustment: Yes
Handlebar diameter: 23.8 mm / 24.2 mm
Hydraulic disc brake
Brake Caliper: BR-R9270
Brake Mounting: Flat Mount
Brake pads: L03A Resin with ribbing
Brake hose: SM-BH90-JK-SSR front 1000 mm (shortenable)
One-way bleed: Yes
Brake fluid: Mineral oil
Recommended Brake Disc: SM-RT900 (140 mm/160 mm)
Compatible electrical wire: EW-SD300
E-Tube Project: Yes
Electronic tube port (pcs): 2
E-tube connector (pcs): 0
Di2 wireless chip: Yes
Material
Body: CFRP
Lever: Carbon, lacquered
Aluminum

Scope of delivery
1 x Shimano Dura Ace Di2 ST-R9270 2-speed STI Dual Control left
1 x Shimano Dura Ace BR-R9270 flat mount brake caliper
1 x Flat mount adapter 140 mm/160 mm
1 x Brake pads L03A-Resin with ribbing
1 x Brake hose SM-BH90-JK-SSR 1000 mm (shortened)
2 x Brake caliper bolt
1 x Pipe coupling set
The SM-BH90-JK-SSR brake hose is filled with mineral oil and pre-assembled on the BR-R9270 caliper!
SM-RT900 Center-Lock disc rotor is not included!