Shimano Ultegra Di2 Upgrade-Kit 6870 2x11 - External Cable Routing

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Description of Shimano Ultegra Di2 Upgrade-Kit 6870 2x11 - External Cable Routing

The battery, which is needed for this kit, is not included because it cannot be shipped by air freight. For deliveries to EU, Lichtenstein, Switzerland and Norway, the battery can be ordered separately.

In 2008 SHIMANO first introduced electronic shifting to road cycling in its Dura-Ace 7970 groupset. In 2011 it became available for Ultegra. Now it's also available in Ultegra 6800. Ultegra takes pro-tested technologies to a wider audience. Whether it is a mechanical or electronic shifting interface, Ultegra provides the highest quality outside professional racing.

The advantages of Di2 (Digital Integrated Intelligence) are clear for everybody who has tested it: changing gears becomes easier, effortless and faster by simply touching the shift buttons. Control at the top of your fingers. Additional benefits include an automatic trimming front derailleur, unmatched precision plus super easy installation and adjustment. This allows automatic chain guide movement in response to the gear position of the rear derailleur. There is no more need for concentration on trimming when riding.

Features in 6870 group:

The derailleurs are more compact and lighter than their predecessors. The rear derailleur is updated with an automatic protection system that moves the cage out of harm’s way in case of a crash. There are two versions of the rear derailleur. A SS for cassettes up to 28T and a GS for cassettes up to 32T. The 32T GS rear derailleur in combination with a compact front crank setup offer a full wide gearing setup. Both rear derailleurs are featured with multi shifting. With a single press and hold of the shift button the rear derailleur goes all the way up or down the cassette. Or, when programmed at the E-tube platform, two or three gear shifts. Also the speed of gear shifts can be adjusted. In five steps, from very slow to very fast.

Included parts:
- Ultegra Di2 ST-6870 2x11-speed STIs
- Ultegra Di2 RD-6870 2x11-speed rear derailleur
- Ultegra Di2 FD-6870 front derailleur 2x11-speed
- Junction SM-JC40
- Charger SM-BCR1
- SM-BCC1 europlug power cord
- according to your selection a battery mount and junction kit.

Hubs and EW-SD50 cables not included! Please order separately.

Note: Operation requires additional EW-SD50 cables to connect the front and rear derailleur, the battery and the control unit of the additional time trial levers. The cables are not included as the lengths are heavily dependent on frame size. They can be ordered separately.

In order to ensure proper functioning of the electronic Di2 drive system, all components require the same firmware version. The optional diagnostic device allows for reading out or updating the firmware version. An operation of components with different firmware versions may cause a malfunction or loss of function.

If you want more information about the individual components, please have a look at the components in the specific article group or contact our service team. For specifications of the group components such as an extension with time trial switches and for the required cables, please also contact the service team.
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Fact Sheet of Shimano Ultegra Di2 Upgrade-Kit 6870 2x11 - External Cable Routing

Product Name: Shimano Ultegra Di2 Upgrade-Kit 6870 2x11 - External Cable Routing
Manufacturer: Shimano Parts
Item Code: SHI166749
Material: aluminium, composite
Derailleur: 2x11-speed
Front Derailleur Braze/Clamp: braze on, additional clamp optional
Derailleur max. number of teeth: 53 teeth
Derailleur short/long: short
Derailleur, max. number of teeth: 28 teeth
For sprocket ratio 11-32T a medium cage rear derailleur is required
Capacity of derailleur: 33 teeth
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Battery mount
"short, for M4x10mm screws" includes
in stock, delivery time 1-3 daysShimano SM-BMR2 Battery Bracket for SM-BTR1 - Dura Ace 9070 / Ultegra Di2 / Alfine Di2: short, for M4x10mm screws, for extern cable routing
"short, for M4x16mm screws" includes
in stock, delivery time 1-3 daysShimano SM-BMR2 Battery Bracket for SM-BTR1 - Dura Ace 9070 / Ultegra Di2 / Alfine Di2: short, for M4x16mm screws, for extern cable routing
"long" includes
in stock, delivery time 1-3 daysShimano SM-BMR2 Battery Bracket for SM-BTR1 - Dura Ace 9070 / Ultegra Di2 / Alfine Di2: long, for extern cable routing
Junction kit
"EW67A-E" includes
in stock, delivery time 1-3 daysShimano SM-EW67A-E Wire Kit with Control Unit for Dura Ace + Ultegra Di2
"EW90-A" includes
in stock, delivery time 1-3 daysShimano SM-EW90-A Junction Kit for Dura Ace + Ultegra Di2 TT + XTR M9050 external
"EW90-B" includes
in stock, delivery time 1-3 daysShimano SM-EW90-B Junction Kit for Dura Ace + Ultegra Di2 TT external
Item includes
in stock, delivery time 1-3 daysShimano SM-JC40 Junction Box for Di2 - external
in stock, delivery time 1-3 daysShimano SM-BCC1-1 Europlug Power Cord for SM-BCR1
in stock, delivery time 1-3 daysShimano SM-BCR1 Charger for SM-BTR1
in stock, delivery time 1-3 daysShimano Ultegra Di2 RD-6870-SS Rear Derailleur 2x11 - short
in stock, delivery time 1-3 daysShimano Ultegra Di2 ST-6870 STI 2x11 (Pair)
in stock, delivery time 1-3 daysShimano Ultegra Di2 FD-6870 Front Derailleur 2x11
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