Shimano Ultegra Di2 R8050 2x11 34-50 Groupset
Information regarding the return of batteries:
Find out more here.
Specifications:
Series: Ultegra Di2 R8050
Application: Road
Gearing: 2x11-speed
Cable Routing: internal (only for compatible frames)
Battery Mount: internal
Junction Box (Junction A): internal (frame or handlebars) or external (under stem)
Components:
Crankset: 170.0 mm, 172.5 mm, 175.0 mm (gradation 34-50)
Cassette: 11-28, 11-30
Front Derailleur: braze-on
Rear Derailleur: short cage (11-28, 11-30)
Brakes: standard rim
Additional Parts Needed:
The following components are required to use the Ultegra Di2 R8050 groupset:
- bottom bracket: Shimano recommends BB-R9100 (BSA/ITA) or SM-BB92-41B (Pressfit) Hollowtech II.
- 2 x rotors SM-RT900 (140 or 160 mm)
- for external 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 = FD1 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 for EW-RS910 = Junction A, 1 x for SM-JC41 = Junction B, 1 x for front derailleur = FD, 1 x rear derailleur = RD, 1 x for 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
- wireless unit (optional): EW-WU111 (or EW-WU101)
* For the correct cable length the following frame measurements are need:
- 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 need:
- 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 shifters (STI) and stem centre
- For Y-cable: 1. distance between stem and bar end with EW-RS910, 2. distance between stem and STI closest to EW-RS910
*** For the correct cable length the following frame measurements are need:
- 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 and right STI
You can find more information about installation in the Shimano Handbook or by contacting our service team.
Contents:
The Shimano Ultegra R8050 Di2 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 x Shimano Ultegra Di2 STI 2-/11-speed shift/brake levers (ST-R8050), incl. cables, housings and plug tool
- 1 x Shimano Di2 battery(BT-DN110)
- 1 x Shimano Di2 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)
- 1 x Shimano Ultegra / XT Quick-Link chain (CN-HG701-11)