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#Shimano di2 battery status update
#Shimano di2 battery status full

The rate of shifts can be configured using the PC computer interface cable and the free Shimano E-tube Project software. Multi-Shift: Pressing and holding a rear derailleur shift button results in shifts through multiple gears.The Shimano Dura-Ace Di2 9070 electronic groupset with internal battery weighs 2047 grams the Shimano Dura-Ace 9000 mechanical groupset weighs 2074 grams (27 grams more than Di2.) This eliminates unintended contact (and noise) between the front derailleur and the chain. Automatic trimming of the front derailleur position as the rear derailleur moves back and forth between the smaller and bigger gears.Shifting is available at multiple positions on the handlebars, for example, at the end of the time trial aero bars, on the brake levers, up to in climbing position, and down low the sprint position.

#Shimano di2 battery status full

Greatly improved shift quality, especially for the front derailleur chainrings, allowing shifting under full power with almost no chance of a dropped chain.

Extremely low shifting effort, which generally results in more frequent shifts and therefore better gear ratio selection.

This design has several advantages over conventional mechanical shifting systems, the most notable of which are: Power and shift commands are sent via a 2-wire CAN (Controller Area Network) datalink contained within a single cable housing.

The second generation Shimano Ultegra 6770/6870 and Dura-Ace 9070 “E-Tube” electronic bicycle shifting systems consist of battery-powered electric derailleurs activated by handlebar mounted push buttons. System Overview: Shimano Di2 Dura-Ace 91 and Ultegra 67

Technical Details of the Di2 CANBUS protocol and signaling.

List of Components Needed to Build Your Own Di2 System.

Front Cable Connection A Junctions (with charger ports and LED status lights).

Batteries and Battery Mounts (Internal and External).

Display Units and ANT Bluetooth Wireless Communication Modules.

Chargers, PC USB Interfaces/Programmers.

#Shimano di2 battery status update

Shimano E-tube Project Software – Change Settings and Update Firmware.

Index: There’s lots of info in this post, so here’s an Index to help you find specific sections: If you can’t find what you’re looking for below, please leave a comment and I’ll do my best to help. This lead me to create this article, to consolidate everything I know and have been asked into one location so people can find answers.

In doing so, I realized that people have a lot of questions about Di2 and the answers are difficult to find. I’ve subsequently answered a lot of questions on forums and article comments, and elsewhere. I learned quite a bit about Shimano Di2 when I installed one of the first available Time Trial/Triathlon groupsets on my Cervelo P2.