Read the most useful and popular site pages below. For a complete overview of the site content, have a look at the installation guides, component overview, Frequently Asked Questions and the sitemap.
12-Speed Di2
12-Speed Dura-Ace, Ultegra, and 105 users, you'll want to read this.
- Building a 12-Speed Di2 Road/Gravel Bike - components and wiring
- 12-speed Dura-Ace vs Ultegra vs 105 Di2 and GRX - what are the differences?
- 12-speed Dancing Cassette Wobble/Oscillation
- Pair 12-speed Di2 wireless shifters
- 12-speed Di2 New User Guide
- Check Di2 shifter battery level and replace it
- Build a 12-speed Di2 Time Trial / Triathlon bike
- Update the firmware on 12-speed Hydraulic Shift levers
- 12-speed Dura-Ace, Ultegra, 105, GRX Di2 and 11-speed Di2 compatibility
Tips & Troubleshooting
Having problems with your Di2 setup and can't find the answers below?
Send me a message.
- E-Tube Project Archive
- Di2 Cheat Sheets - what do those LEDs mean?
- Find spare parts for your Shimano Di2 Components
- Pair Wahoo ELEMNT / Bolt / Roam and your Di2 bike
- Buying a second-hand Di2 bike - things to look out for
- Di2 Wireless Module // BluetoothLE/ANT guide
- Synchronized Shifting - the complete guide
- Remove a stuck Di2 battery from a seatpost
- Change your Di2 Wireless Passkey using the E-Tube mobile 4.0 or Windows PC
- In-depth guide on upgrading your old Di2 bike
- Recover Di2 Component Firmware using the SM-PCE1 / SM-PCE02 or Charger
- Wireless Unit / Information Display – why get a D-Fly
- 10/11-speed Di2 beginner's guide to Di2
- How to troubleshoot Di2 battery drain issues
- How to recover from a failed Di2 Wireless firmware update
- Building an 11-speed Di2 bike – cable routing, lengths and more
- View Di2 shifting statistics using Di2Stats
- Building an 11-speed Di2 bike – what parts do you need?
Hacks & Setup
Set up and tweak your components, or build your own.
- Extend 12-speed SW-RS801 Satellite Shifters
- Build your own cheap Di2 satellite shifters (DIY)
- Installing the handlebar junction and battery in aero extensions
- Installing a new chain - length and direction
- Derailleur specifications - what do they mean?
- Connect to your bike using E-Tube Cyclist mobile app
- Change your Di2 lever stroke / reach
- What is inside a Di2 Front Derailleur?
- Install the Di2 battery in the fork steerer
- Index Rear Derailleurs and set Front Derailleur limits using E-Tube Project
- Learn how to update your Di2 component firmware
- Di2 E-Tube Software and Tools
- Change button setup - enable buttons on Di2 shifter hoods
- Learn how to use the Shimano documentation
- Can’t shift to smallest sprockets when in small ring? Adjust Gear Position Control
- Di2 Compatibility - mix Ultegra, DURA-ACE, XTR, XT and GRX components
- How to connect your Di2 system to your Windows computer
