Shimano Ultegra Di2 R8050 2×11 34-50 Groupset


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The Shimano Ultegra Di2 R8050 2×11-speed Groupset – Professionally Proven Technology
The Shimano Ultegra Di2 R8050 2×11-speed Groupset offers you professionally proven technology for lightning-fast electronic shifting. The groupset includes a crank with two chainrings (34-50 Z), an 11-speed cassette (11-28, 11-30, 11-32 or 11-34), a Quick-Link chain, a pair of rim brakes as well as all Di2 components: rear derailleur (SS or GS cage), front derailleur, shift/brake lever (STI), junction A (internal or external), junction B, battery and charger. With the R8050, Shimano focuses entirely on the rider’s needs (” rider tuned” ) and has developed an Ultegra groupset that is more adapted to you than ever.

Information regarding the return of batteries and electrical equipment:
Learn more about returning and recycling used batteries and electronic devices here.

Specifications:
Series: Ultegra Di2 R8050
Application: Road
Gearing: 2x, 11-speed (electronic)
Brakes: rim, mechanical

Components:
Crankset: 170.0 mm, 172.5 mm, 175.0 mm (gradation 34-50)
Cassette: 11-28, 11-30, 11-32, 11-34
Front Derailleur: braze-on
Rear Derailleur: short cage (11-28, 11-30) or (mid)long cage (11-32, 11-34)

Features:
– internal cable routing (only for specifically designed frames)
– internal battery mount
– electrical junction box (junction A): internal (frame or handlebar) or external (under the stem)

Additional Components Needed:
The following components are required to use the Ultegra Di2 R8050 groupset:
– Bottom Bracket: Shimano recommends SM-BBR60 or SM-BB72-41B Pressfit Hollowtech II.
– for internal junction box (SM-EW90-A): 6 x EW-SD50 power cables (2 x for STI, 1 x for SM-JC41 = Junction B, 1 x for front derailleur = FD, 1 x for rear derailleur = RD, 1 x for battery)*
– for internal junction box (EW-RS910), handlebar mount: 5 x EW-SD50 power cables (1 x for STI, 1 x for SM-JC41 = Junction B, 1 x for front derailleur = FD, 1 x for rear derailleur = RD, 1 x for battery) + 1 x EW-JC130 Y-cable junction box (connection between EW-RS910 = Junction A with STI and SM-JC41 junction box) + 1 x EW-JC200 junction box (connection between EW-JC130 and EW-SD50 to SM-JC41 junction box)**
– for internal junction box (EW-RS910), frame mount: 5 x EW-SD50 power cables (1 x to EW-RS910 = junction A, 1 x to SM-JC41 = junction B, 1 x to front derailleur = FD, 1 x to rear derailleur = RD, 1 x to battery) + 1 x EW-JC130 Y-cable junction box (connection between EW-RS910 and STI) + 1 x EW-JC200 junction box (connection between EW-JC130 and EW-SD50 to EW-RS910)***
– rubber grommets for internal cable routing
– Wireless unit (optional): With the wireless unit EW-WU101) you can send updates about gear selection or battery status to a compatible bike computer or data display. (When using a wireless unit, the EW-JC200 internal junction box is not needed).

* For the correct cable length ,the following frame measurements are needed:
– Length of down tube = distance between bottom bracket and stem
– Distance between bottom bracket and front derailleur
– Distance between battery and bottom bracket
– Distance between rear derailleur and bottom bracket
– Distance between shifters (STI) and stem centre

** For the correct cable length the following frame measurements are needed:
– Length of down tube = distance between bottom bracket and wireless unit or EW-JC200
– Distance between bottom bracket and front derailleur
– Distance between battery and bottom bracket
– Distance between rear derailleur and bottom bracket
– Distance between bar end and the next shifter (STI)
For Y-cable: 1. distance between stem and bar end with EW-RS910, 2. distance between stem and STI on the side without EW-RS910 (3. = distance between stem and wireless unit or EW-JC200 is fixed, compare cable lengths: Y-cable junction EW-JC130)

*** For the correct cable length the following frame measurements are needed:
– Length of down tube = distance between bottom bracket and wireless unit or EW-JC200
– Distance between bottom bracket and front derailleur
– Distance between battery and bottom bracket
– Distance between rear derailleur and bottom bracket
– Distance between wireless unit or EW-JC200 and EW-RS910
For Y-cable: 1. distance between stem and left STI, 2. distance between stem right STI (3. = distance between stem and wireless unit or EW-JC200 is fixed, compare cable lengths: Y-cable junction EW-JC130)

You can find more information about installation in the Shimano Handbook or by contacting our service team.

Contents:
The Shimano Ultegra R8050 Di2 2×11 groupset includes:
– 1 x Shimano Ultegra crankset (FC-R8000)
– 1 x Shimano Ultegra Di2 rear derailleur (RD-R8050)
– 1 x Shimano Ultegra Di2 front derailleur (FD-R8050)
– 1 pair of Shimano Ultegra Di2 STI 2-/11-speed shift/brake levers (ST-R8050)
– 1 x Shimano Di2 battery (BT-DN110)
– 1 x Shimano Di2 battery charger (SM-BCR2)
– 1 x Shimano junction box (EW-RS910 internal or SM-EW90-A external)
– 1 x Shimano SM-JC41 internal junction box
– 1 pair of Shimano Ultegra rim brakes (BR-R8000)
– 1 x Shimano Ultegra cassette (CS-R8000) or CS-HG800-11 (11-34)
– 1 x Shimano Ultegra / XT Quick-Link chain (CN-HG701-11)
– 1 x Shimano crank bolt
– 1 x Shimano BC-R680 1000 mm brake cable
– 1 x Shimano BC-R680 2000 mm brake cable
– 1 x Shimano brake cable housing, 800 mm
– 1 x Shimano brake cable housing, 1800 mm
– 1 x Shimano TL-EW02 plug tool
– 1 x Shimano USB Y-7FJ00020 charging cable
– 6 x caliper bolts for rim brakes
– 2 pairs of R55C4 brake pads
– 1 x Shimano aluminium cassette lockring
– 1 x Shimano 1.85 mm cassette spacer (only for 11-34)
– 1 x Shimano SM-CN900-11 Quick-Link master link

SKU: GS2020112708 Category: