Shop Components Shifting Road and gravel Shimano Dura Ace R9170 Dual Control Di2 shifting/hydr. brake levers, 2x11

Shimano Dura Ace R9170 Dual Control Di2 shifting/hydr. brake levers, 2x11

Name: Shimano Dura Ace R9170 Dual Control Di2 shifting/hydr. brake levers, 2x11
Price: 452.0 EUR
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Road and gravel bike shifting Road and gravel bike shifting (Shimano)

Most advanced component group of all time: The Shimano Dura Ace Di2 2-speed STI Dual Contral ST-R9170 left for Hydraulic Disc Brake

With the introduction of DURA-ACE R9100, Shimano has reestablished the new benchmark for road performance by improving each component and incorporating its newest technologies. DURA-ACE R9100 delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider’s potential.

Engineered for the next generation of race bike, DURA-ACE R9100 offers top-tier performance across numerous configurations. Available with either Di2 electronic or mechanical shifting, for the first time, riders now have the option of premium DURA-ACE hydraulic disc brake performance. New Shimano technologies further integrate the DURA-ACE as a system, including a new power meter, while riders further integrate with their bike through new E-Tube wireless connectivity. Shimano’s Rider Tuned philosophy and customization of the bicycle’s function also expands with a wider range drivetrain that now includes intuitive Shimano Synchro Shift control.

Features

More control and confidence in race conditions
Optimally balanced hydraulic brake system for racing
Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles
Light weight
Carbon composite plastic material of hood
More intuitive, quicker shifting operation
More defined click feeling and ergonomic shift lever position
Customizable function to fit any riding style
Each switch has the option for multi-shift ON or OFF
E-TUBE project
Optimum power transmitted with grip firmly
Ideal ergonomic cover shape with better thickness & tenderness
Openable hood cover
Simple set up and maintenance
Easy replace hood cover
Openable hood cover
Customizable the function to fit in rider's riding style

Product features

Use: Road/Cyclocross
Group: Dura Ace Di2
Model: ST-R9170
Type: Dual-Control (STI)
Handlebar mounting: left
Gear front: 2-speed
Optical gear display: No
Lever reach adjust: Yes
Handlebar diameter: 23.8mm/24.2mm
Brake-type: Hydraulic Disc Brake
Recommended brake caliper: BR-R9170
Compatible: EW-SD50
Master unit: No
Firmware update by E-tube Project: Yes
E-tube port (pcs): 2
E-tube connector (pcs): 0
Port for remote sprinter shifter (pcs): 0

Material

Body: CFRP
Lever: Carbon, painted

Weight

160g (manufacturer information)

Scope of delivery

1 Dura Ace Di2 2-speed Di2 STI Dual Control ST-R9170 left for Hydraulic Disc Brake
1 TL-EW02 Tool

Brake Caliper BR-R9170, Brake Hose SM-BH59-JK-SSR and Mineraloil SM-DB-Oil not included!

Technology

SEIS SHIMANO ELECTRONIC INTELLIGENT SYSTEM

The SEIS innovative shift technology is still based on the SHIMANO INDEX SYSTEM (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. This electronic shifting system has been extensively tested over past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Shifting is executed by simply pressing the button. No power is needed to shift, which gives important advantages since it is easier now to always keep a tight grip on the handlebar and to keep your concentration on riding instead on shifting. The shift system allows accurate and effortless shifting in difficult circumstances like when you have cold hands or when you are completely exhausted. Furthermore, the shifting performance will never be affected by contaminated or stretched cables since the shifting signal is transferred electronically. The operating buttons work similarly to mechanical Dual Control Levers so you don’t need to re-program your mind for a new system.

E-Tube

E-Tube platform offers optimum flexibility on your bike. E-TUBE transmits interactive signals and power supply to each parts by “Plug & play” connection. E-TUBE is no rust, no stretch, no freeze and it ensures advanced low maintenance. And SM-PCE1 connects between PC and components to update firmware. Digital device stay the latest version with updating firmware for improve function.

Synchro-Shift

SHIMANO Synchronized Shift is a new feature introduced to Shimano´s electronic road groupsets, designed to simplify gear choice and reduce decision making in racing situations. When riding at maximum capacity, decision making can be impaired. The less stresses on a rider and the less decisions a rider has to make, the less mistakes they will make. Therefore SHIMANO Synchronized Shift is designed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur.

Two SHIMANO Synchronized Shift modes will be available:

Full SHIMANO Synchronized Shift: the front derailleur reacts based on the rear derailleur’s shift action. This essentially means that, when activated, there is no need for two separate shifters to control front and rear derailleurs, the two buttons on one shifter will control both derailleurs.
Semi SHIMANO Synchronized Shift mode: the rear derailleur reacts based on the front derailleur’s shift action, shifting to the next most appropriate rear gear when the rider makes a front shift.

Shimano DURA-ACE R9100 (Di2)

Product details

Groupset	Shimano Dura-Ace
Gears	2x11
product ID	76455

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Road and gravel bike shifting from Shimano

Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.

Manufacturer contact information