Shimano Dura Ace Di2 ST-R9270 + BR-R9270 Hydraulic Disc Brake - STI 2x12-Speed + Flat Mount Caliper

Condition Brand new
Brand Shimano
Posted 12 days ago
Category Shifters
Price RM 3,499.00
Intended Use Road
Gear Count 12 speed

Shimano Dura Ace Di2 ST-R9270 + BR-R9270 Hydraulic Disc Brake - STI 2x12-speed + Flat Mount Caliper - Set FW


Dura Ace R9200 – Never Compromise
The Science of Speed. Speed was the mainspring in the development of this 12-speed road bike series of a new generation. Several years of research produced those innovations that make the Shimano Dura Ace R9200 even faster. Every component has been revised, refined and optimised to enable the decisive seconds of advantage – whether as a breakaway from the peloton or in the finish sprint on the Champs-Élysées.

The electronic Di2 parts rely on Wireless technology where it matters to make shifting even faster and more reliable. Smooth shifting is also the aim of the Hyperglide+ system, already known from the MTB segment, which is designed to bring out maximum performance and the full potential of every racer.

Shimano Dura Ace shift/brake set consisting of the electronic ST-R9270 STI lever for lightning-fast shifting and the hydraulic BR-R9270 disc brake caliper for superbly controllable and quiet braking. Trouble-free maintenance is provided by the proven One Way Bleeding concept and the Easy Hose Joint System which simplifies brake hose exchanges.

J-Kit (Easy Hose Joint System)
At brake systems with J-Kit hose joint the brake lever features an integrated olive what makes an easy brake hose installation and removal possible.

Shimano Dura Ace Di2 ST-R9270 STI brake/shift lever
In order to take account of the progress in professional sport, which not least also influences riding and grip positions, Shimano has worked closely with top athletes in the development of the current Dura Ace Dual Control levers. The result is lightweight controls that use the latest materials to provide an outstanding level of ergonomics, whether sprinting, on mountain stages or in time trials.

UNIQUE ERGONOMICS. The ST-R9270 STI levers for hydraulic disc brakes are characterised accordingly by higher, slightly inwardly inclined horns. In addition, the clearance between the brake lever and the handlebar has been slightly increased for an optimal balance between comfort and control. The shift buttons have also been redesigned to be larger for easy access from the lower handlebar position, and better spaced to ensure intuitive operation even when riding with gloves.
LIGHTNING-FAST SHIFTING. Another feature of the disc brake version is the Wireless functionality, which not only ensures a clean cockpit but also lightning-fast and precise shifting. Nevertheless, the shift/brake levers still offer a cable connection (EW-SD300) for the use of additional shifters in the drops or the top of the handlebar. For numerous customisation and configuration options, compatibility with the improved E-Tube Project app, which, like previous versions, allows you to adjust shift modes (Synchro-/Semi-Synchro-Shift, Multi-Shift), shift speed and button assignment on the fly.
CONTROLLED BRAKING. But the Dura Ace R9200 Dual Control levers are also impressive in terms of braking performance. With the help of an extended brake control range, the Servowave technology ensures excellent dosing that offers optimum comfort and control even in challenging conditions. Of course, for individual adjustment, the levers feature the option of reach and free stroke adjustment.


Shimano Dura Ace BR-R9270 disc brake caliper
Its one-piece Mono-Body design not only makes the Shimano Dura Ace BR-R9270 brake caliper incredibly light, but also gives it outstanding stiffness values. At the same time, the Flatmount brake made from a single, cold-forged aluminium block proves that high performance is also possible with compact dimensions.

A 10 % increase in brake pad spacing also allows for a significant reduction in noise during braking. In addition, when the RT-MT900 brake disc rotor (sold separately) is used, its deformation-resistant design, even with increasing heat, helps to create an extremely quiet and smooth braking system.

To simplify maintenance, the hydraulic 2-piston brake caliper not only features the proven One-Way-Bleeding system, but also a separate arrangement of bleed nipple and opening screw. On the one hand, this minimises the risk of the bleed kit hose slipping off when opening or closing the system and, on the other hand, makes it unnecessary to dismantle the caliper from the frame for bleeding process.

If you need more detailed information about the single parts of the groupsets check the articles in the referring categories.



Material:

brake lever: carbon fiber reinforced polymer (CFRP, painted)
brake caliper: aluminium (anodized)
pistons: resin


Weight (manufacturer's specs):

approx. 350 grams (STI lever, pair)
approx. 120 grams (front caliper)
approx. 110 grams (rear caliper)


Scope of supply:

brake/shift lever incl. CR1632 battery (without EW-SD300 Di2 cable)
brake caliper (for 160 mm brake discs) incl. L03A Resin Ice-Tech brake pads (without disc rotor)
SM-BH90 brake hose (1000 mm front / 1700 mm rear)


Product Name: Shimano Dura Ace Di2 ST-R9270 + BR-R9270 Hydraulic Disc Brake - STI 2x12-speed + Flat Mount Caliper - Set FW
Manufacturer: Shimano Parts
Item Code: SHI549864, SHI549865
activity: Cycling
material: Aluminium, Carbon coated
usage bikesport: Road Bike
number of chainrings: 2
shifting system: 12-speed
shifting actuation: Electronic
disc brake mount: Flatmount
brake actuation: Hydraulic
brake lever version: Drop bar
brake fluid: Mineral Oil
Disc brake - version: # Front Wheel, Set caliper & lever
Shift lever - Version: Shift-brake-lever
Model year: 2023
Color: Black
manufacturer item code: IR9270DLF6SC100A, IR9270DRRDSC170A


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