Most 12-speed Di2 bikes will be hydraulic disc brake systems though, and therefore also use wireless shift levers. The only thing that goes into standby mode is the rear derailleur's BluetoothLE/ANT connectivity. Nope! You don't! There is no "on" or "off" switch.įor wired (or rim brake) Di2 systems, that's all there is to it - the main Di2 system is always on, always ready to shift. Do I need to switch the system on or off? If you'd like to know more about using the Shimano documentation, take a look at my page on using Shimano's documentation site: si. SHIMANO DI2 BATTERY STATUS MANUALSatellite shifter / Rim brake Dealer Manual.Rim brake (wired) Shift Lever Dealer Manual.Hydraulic/Wireless Shift Lever Dealer Manual. SHIMANO DI2 BATTERY STATUS MANUALSI've uploaded the 12-speed Di2 manuals to the site as well, for your convenience. Again, use " R9270" to find hydraulic shift lever manuals. If you're on 12-speed DURA-ACE, then you type " R9250" into the search box. Note that the hydraulic shift levers have model code R8170. For example, if you're looking for 12-speed Ultegra manuals, type " R8150", hit enter, and open the relevant DM. To find one, simply type your Di2 series' code in the search box, and then open the files labeled " DM". The regular user manuals aren't all that good, but the Dealer Manuals are. While Shimano has never explicitly stated what it stands for, "Electronic-Tube" makes sense. All Di2 systems (except 7970) communicate via E-Tube. What is E-Tube? Essentially, it's just the name Shimano gave their electronic communication system. This 10-speed system uses a different wiring standard from all the Di2 groupsets that followed, and with the release of Ultegra 6770 (2011) Shimano introduced the EW-SD50 wires - and E-Tube. It has been around for a while now - the first DURA-ACE Di2 groupset was the 7970 series, released in 2009. What does the button on the rear derailleur do?ĭigital Integrated Intelligence, or just " Di2", is Shimano's electronic shifting.How long does the main Di2 battery last between charges?.How do you check the shifter battery level?.Mobile app? I connected and now the bike doesn't work.How do I shift the bike? What shift buttons are there?. Do I need to switch the system on or off?.If you're looking for the 10-speed / 11-speed Di2 new user manual, visit my 10/11-speed Di2 beginner manual page.īelow is the list of subjects covered in this guide - click any of the links to skip ahead to the relevant section. The supplied manuals usually aren't great, but don't worry - I'll walk you through the things you should absolutely know about 12-speed (wireless) Di2. If you've recently bought a new 12-speed Di2 bike - congratulations! I'm sure you have a lot of questions or are wondering how the nitty-gritty specifics of your bike work.
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