Performance Bike

the
finishing
touch
ultegra di2 ShiftinG
integrating the di2 system
Faster and more accurate shifting is at your fingertips.
It is everything you want in your shifting system and
now with a simplified modular wiring system. Ultegra
Di2 makes it easier than ever to add digital electronic
shifting to your riding experience.
1
Fast and Accurate
Smooth and Consistent
3
1
front wiring kit
1 option
2
junction box:
Select junction box type:
Internal / External
3
battery mount:
Select the desired batterymount:
Long / Long Internal / Short
4
downtube wire:
Select downtube wire length
4
front deraiLleur wire:
Select front derailleur wire length
4
rear derailleur wire:
Select rear derailleur wire length
4
battery wire:
Select battery wire length
4
Durable and Dependable
4
4
2
4
Key components
4-step build process
SHIFT LEVERS
Lightweight lever for comfort and control
Push button shifting – like clicking a mouse
ST-6770
Our most Ergonomic hood shape
10 mm of incremental lever reach adjustment – Fit all types of hand sizes
Triathlon Shift/Brake levers will be available mid-2012
FD-6770
1
front wiring kit
2
junction box type
3
4
battery mount
wiring length
FRONT DERAILLEUR
The front wire kit (SM-EW67-
The junction box connects the
The Di2 battery mount holds the
The EW-SD50 wire comes in 13
Consistant, seamless and smooth front shifting Now Front shifting is as quick and accurate as rear shifting
A-E) connects the left and right
wires (EW-SD50) from the rear
battery securely to frame. The
difference lengths so you can
shift levers to the rest of the
derailleur, front derailleur, bat-
mount is available in 3 styles,
customize the wiring set up for
system.
tery, and shift levers together.
long mount for external routing
your frame. Each EW-SD50 wire
There are two types, exter-
(SM-BMR1-L), long mount for
is waterproof and can be used
nally mounted (SM-JC40) and
internal routing (SM-BMR1-I),
externally or internally.
internally mounted (SM-JC41)
and a short mount (SM-BMR1-S)
to the frame.
that can be used for internal or
Programmed automatic trim function – No chain rubbing noise
REAR DERAILLEUR
external routing.
Programmed electronic shift, never goes out of adjustment
RD-6770
Crash Saver function Inner structure is protected from strong impact
Max. rear sprocket: 28T for wide range gearing
For more information and technical specifications for Shimano Ultegra parts, please visit:
bike.shimano.com