Connect the SM-PCE02 to 12-speed bikes for troubleshooting
There are so many ways to connect a 12-speed bike to a windows computer, it can get rather confusing - here are some of my own preferred methods of connecting these bikes to the SM-PCE02.
BetterShifting.com - Di2 help, installation guides, Frequently Asked Questions and more
BetterShifting.com - Di2 help, installation guides, Frequently Asked Questions and more
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Connect 12-speed shifters by wire
12-speed Di2 rim brake shifters can only be connected by wire - there is no wireless option for these shifters. Even if you're on wireless disc Di2, you may still be interested in connecting your shift levers by wire to increase battery life and eliminate wake up shifts.
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Extend 12-speed SW-RS801 Satellite Shifters
Extending 12-speed Di2 satellite shifters is relatively easy. I'll use an EW-JC302 junction, an EW-SD300 wire, and a knife to extend a couple of satellite shifters.
Building a 12-Speed Di2 Road/Gravel Bike - components and wiring
Building a 12-speed Di2 bike involves a couple of steps and decisions to make. Are you building a rim brake bike or a disc brake bike? Will you connect the shifters wired, or run them wireless? What cables and what length do you need? I'll guide you along the process.
[2026 update] 12-speed Dura-Ace vs Ultegra vs 105 Di2 and GRX - differences explained
What are the differences between Shimano's 12-speed road Di2 groupsets? Why would you choose Ultegra over 105? Why Dura-Ace? While most people think the difference is just the weight and materials used, that isn't always the case.
E-Tube Project Archive
Looking for an older E-Tube Project version to use with decade-old Di2 components? This page lists every version ever released, with download links.
Build your own cheap Di2 satellite shifters (DIY)
I built and set up my own cheap Di2 satellite shifters.
12-speed Dancing Cassette Wobble/Oscillation
Remove the 12-speed adhesive ring to eliminate cassette wobble.
Known bug: E-Tube Cyclist does not start
Shimano just sent out an email confirming this problem after recent app updates.
Di2 Cheat Sheets - what do those LEDs mean?
Cheat sheets to help identify button functions and explain what the LEDs mean.
Find spare parts for your Shimano Di2 Components
Learn what spare parts will work with your Di2 bike, brakes, and other Shimano components.
Installing the handlebar junction and battery in aero extensions
I installed SW-7972 Dura-Ace satellite shifters on my 6870 commuter bike by doing some cutting and soldering, as well as some creative wiring.
Deore XT 11/12-speed e-MTB Di2 and Shimano CUES 10/11-speed Di2
New 12-speed e-MTB ( and 10/11-speed CUES Di2, aimed at commuters.
105 Di2 - 12 speed Wireless announced!
Shimano have finally announced their long-awaited 12-speed 105 Di2 groupset.
Installing a new chain - length and direction
Sizing and installing a new chain for your Di2 bike isn't hard, you just need to follow the right steps.
Derailleur specifications - what do they mean?
Shimano front derailleur and rear derailleur specifications... what do they mean, really?
Connect to your bike using E-Tube Cyclist mobile app
Update firmware, tweak your derailleurs, and change settings using your Android / iOS phone.
Pair 12-speed Di2 wireless shifters
I'll show you two different methods of pairing 12-speed Di2 wireless shift levers - using the mobile app and using wires.
2026 - 2x12-speed Di2 New User Guide
Just bought a new 12-speed Di2 bike? This page explains what the buttons do, how to charge, and what synchronized shfit does.
Six weeks with 12-speed Wilier, C50 wheels and PRO Vibe EVO
I spent six weeks with one of Shimano's 12-speed media bikes, R9200, C50 wheels, and the PRO Vibe EVO handlebar.
12-speed Front Derailleur installation and adjustment guide
Twelve-speed Di2 Front Derailleurs do not have any limit bolts, so installing the derailleur and setting the limits is different from what you're used to.
Adjust 12-speed Di2 rear derailleur shifting and limits
This page shows you how to set up your 12-speed rear derailleur B-screw, limits, and fine-tune the shifting using micro-adjust
How to Replace Di2 Shifter Batteries (And Check Levels Fast)
12-speed wireless Di2 shifter batteries last about two years, and this page will teach you how to check the battery level and replace the battery itself.
Cheat Sheet: 12-speed battery checks
Here's how you check 12-speed Di2 wireless shift lever batteries, as well as the main system battery charge level.
Cheat Sheet: 12-speed Di2 Synchronized Shift
Synchronized shifting is a complex subject. This page contains a summary of the LEDs and button actions.
Cheat Sheet: 12-speed derailleur limits and adjustment
This Cheat Sheet page links to front derailleur installation guides, limit set up guides, and rear derailleur limits and adjustment (indexing) guides.
Cheat Sheet: 12-speed Bluetooth Connection Mode
Learn how to enter Bluetooth Connection mode on 12-speed Di2 bikes - required when connecting the bike to the Android/iOS mobile apps.
Cheat Sheet: 11-speed Bluetooth Connection Mode
Learn how to enter Bluetooth Connection mode on 11-speed Di2 bikes - required when connecting the bike to the Android/iOS mobile apps.
Cheat Sheet: 11-speed derailleur limits and adjustment
This Cheat Sheet page links to front derailleur installation guides, limit set up guides, and rear derailleur limits and adjustment (indexing) guides for 10/11-speed Di2.
Cheat Sheet: 11-speed Di2 Synchronized Shift
Synchronized shifting is a complex subject. This page contains a summary of the LEDs and button actions.
Cheat Sheet: 11-speed battery check
To check your 10-speed/11-speed Di2 main system battery charge level, press any shift button for about 0.5 seconds, and the LEDs will show the charge level.
Cheat Sheet: 10-speed and 11-speed crash mode
To reset crash mode on 10-speed (6770) and 11-speed Di2 (6870, 9070, R8050, R9150, GRX), you press and hold the button on your junction box for 5 seconds until a red light flashes.
Build a 12-speed Di2 Time Trial / Triathlon bike
Building a 12-speed Di2 Time Trial (TT) or Triathlon bike isn't as straightforward as you might think. What components can you use, and how do you connect them?
Di2 downtube shifters, car gearbox shifting, campagnolo electronic shifting and more
Di2 homemade downtube shifters, car-style gearbox, Campagnolo derailleur with a servo motor bolted onto it - Ryoichi Inoue has done it all! Time to ask him some questions and ask him all about these projects.
Update the firmware on 12-speed Hydraulic Shift levers
Updating 12-speed Di2 R9270/R8170/R7170 shift levers is not as straightforward as you might think. You need either the SM-PCE02, or connect the levers to the rest of the system using an EW-SD300 wire.
First week with R9200 - YouTbe builds and FAQs
GPLama, Rides of Japan, and Jon Maloney Cycling have all uploaded some pretty good 12-speed Di2 content. This is a quick overview.
Pair Wahoo ELEMNT / Bolt / Roam and your Di2 bike
Learn how to pair your Wahoo ELEMNT, ELEMNT Bolt, or ELEMNT Roam to your Di2 bike. I also show you how to set up gearing and your Di2 data fields.
Change your Di2 lever stroke / reach
Do you have small hands? Or extra large hands? Read this page to figure out how to change your Shimano Di2 shift lever (or shifter) reach.
12-speed Dura-Ace, Ultegra, 105, GRX Di2 and 11-speed Di2 compatibility
Can you use 11-speed Di2 components with the new R9200 / R8100 12-speed groupsets? How about 12-speed Di2 backward compatibility?
Eurobike 2021 recap - My favourite 12 speed Di2 changes
I went to Eurobike to see new Shimano Ultegra and DURA-ACE. This is my one-day mini road-trip recap.
DURA-ACE / Ultegra 12 speed Wireless Di2 announced!
Shimano have finally announced their long-await DURA-ACE Di2 groupset. Not only that, they have also announced the new Ultegra Di2 groupset!
What is inside a Di2 Front Derailleur?
Watch me take apart a Di2 front derailleur and then put it back together again. What really goes on inside of a Di2 front derailleur?
[E-Tube 3] Change Di2 shifter button assignments
Recent Di2 shift levers have buttons on top of the hoods, but their default function only works with a wireless unit or d-fly. This guide shows you how to set those up using E-Tube Project 3.4.5.
DURA-ACE R9250 semi-wireless Rear Derailleur Manual published
The FCC just released the manual for the new Shimano RD-R9250 12 speed semi-wireless rear derailleur. Let's have a look and see what we can find!
Installation guide: Di2 wired shift levers
Learn how to install Di2 drop bar levers commonly used on Di2 road bikes or Di2 gravel bikes. I'll walk you through the process and give you some useful tips.
Shimano launch CONNECT Lab Data Service
After Shimano killed off Pioneer's Cyclo-Service earlier this month, they have just launched their own data service. This service helps users analyse their rides and relevant power data.
We could've known about DURA-ACE R9250 way back in October 2020
The October 2020 release of E-Tube Project 4.0.2 contains a subtle reference to the next generation Di2 series - R9250. There isn't much there, but I'll show you what I found.
MTB Style Shifter SW-M8050 / SW-M9050 Installation Guide
Let's install an MTB Style set of shifting buttons on a bike. It's not hard, but there are a couple of things to keep in mind during the installation process.
Install the Di2 battery in the fork steerer
Where do you install your Di2 internal battery if the seatpost isn't an option? On a full-suspension mountain bike, or if you run a dropper post? The fork steerer is a pretty good alternative!