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Shimano Dura-Ace Di2 R9150 2x11 front derailleur, braze-on

449 €
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The front derailleur incorporate these new cockpit functions. The electronic front derailleur is compact and designed to protect the shifting operation in the event of a crash.

Most advanced component group of all time: The Shimano Dura Ace 2x11-speed Di2 Front Derailleur FD-R9150

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.

Front (FD-R9150) and rear derailleurs (RD-R9150) incorporate these new cockpit functions. Both electronic derailleurs are compact and designed to protect the shifting operation in the event of a crash. The low profile of the rear derailleur also comes with SHIMANO SHADOW RD technology, positioning the derailleur further below the functioning sprocket.

Features 

  • Ergonomic shifting operation without stress
  • SHIMANO synchronized shift
  • Race endurance for less damage in crush
  • Quick and smooth front shifting "under" high pedaling torque
  • Maintains compact and smooth appearance

Product features

  • Use: Road
  • Group: Dura Ace Di2
  • Model: FD-R9150
  • Mounting: Braze On
  • Action: Down-Swing
  • Gear front: 2-speed
  • Gear rear: 11-speed
  • Top gear teeth: 46-55T
  • Total capacity: 16T
  • Compatible Chain: HG-EV 11-speed / HG-X 11-speed
  • Chain stay angle: 61-66°
  • Chain line: 43.5mm
  • Compatible: EW-SD50
  • Master unit: No
  • Firmware update by E-tube Project: Yes
  • E-tube port (pcs): 1
  • E-tube connector (pcs): 0

Material

  • Aluminum
  • Titanium
  • CFRF

Weight

  • 104g (manufacturer information)

Scope of delivery

  • 1 Dura Ace 2x11-speed Di2 Front Derailleur FD-R9150 Braze On
Clamp band adapter SM-AD91-L 34.9mm or SM-AD91-MS 31.8/28.6mm 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 features
Synchonized Shifting, resistance to all weather conditions, fast and smooth shifting even at high torque
Technologies used: Direct Mount, Synchronized Shifting, Di2
Product details
Groupset Shimano Dura-Ace
Gears 2x11
Control type electronic
Operation Down Swing (61-66)
Stroke universal
Mounting type brazed-on
Material aluminium, steel
product ID 37362

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WARNING
For installation, adjustment and replacement information about products not found in the user's manual, consult the place of purchase or a distributor. A dealer's manual intended for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and save it so that you can refer back to it at any time.
The following instructions should always be followed in order to prevent personal injury, physical damage to equipment and the surrounding environment. The instructions are classified according to the degree of danger or damage that may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury or physical damage to equipment and the surrounding environment.

WARNING
- Do not disassemble or modify the product. This may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
- When operating the shift switch, be careful not to get your fingers caught in the derailleur. The powerful motor that drives the electronic gear shift derailleur will run non-stop until the shift position is reached.
- Be careful not to get parts of your clothing caught in the chain while riding. Otherwise, you may fall off the bicycle.

Shimano
Road 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.
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