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Features shimano ultegra 8150 di2 priority pack 50-34 170 11-34 12v
With the new Ultegra Di2 Shimano has opted for a mixed or semi-wireless shifting system to guarantee maximum reliability and speed of shifting with the elimination of cables and mechanical complexity in the installation or removal of the system.
The transmission of the signal from the levers is wireless, but not from the shifter and derailleur, in which it is via cable. The reason that Shimano offers is that this achieves a higher transmission speed (up to 4 times more).
The wireless interface of the new Shimano Ultegra Di2 12v is limited to the actuation of the buttons, thus eliminating the ECU and the cables that attached them to the derailleurs on the previous Ultegra Di2. The cables are only maintained between the internal battery (installed inside the seat tube) and the front and rear derailleurs.
They have two batteries, a main one housed in the frame and a secondary one, present in the lever. The battery life has been increased by up to 75%, reaching approximately 1000km of autonomy with a full charge.
One of the great novelties is that the change makes the times of charger, control unit and DiFly unit, with which we save the presence of these three elements.
The integrated battery, according to Shimano, has a duration of 1,000 km between charges. The state of the load is indicated through an LED light integrated into the derailleurs themselves.
The brake levers and their integrated push buttons offer better access to the lever. They are spaced laterally from the lever to handle driving the crowns up and down.
The front derailleur has been reduced in size by 35% and in weight by 95g, significantly less than the previous edition .
The brakes incorporate Shimano's Servo Wave technology already used in the brakes of the MTB and Gravel groupsets.
Chain 12 speeds
The new cassette benefits from Hyperglide + technology, with which they achieve greater longevity and smoothness of change
The pairing of all the transmission elements can be carried out in three different ways: through the mobile application, by cable, (connecting levers and change to the battery) and through PC.
Valid version of E-Tube is 5.0.1 (with other versions does not work)
Features:
- Series: Ultegra Di2 8150
- Shimano Cassette Ultegra 11-34
- Crankset length: 170
- Crankset: 50/34
- Front derailleur
- Shimano Ultegra Di2 rear derailleur
- Shimano Ultegra shifters
- XT Quick-Link 12-speed chain
- Shimano RT-MT800 disc brakes/ Shimano L03A brake pads/ Ultegra calipers
- Includes the necessary cables to install the group
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