How to Connect Shimano Di2 to Bike Computer via Bluetooth

Founder, Mr. Mamil

In this article, I’ll show you how to connect a Shimano Di2 system to your bike computer, discuss popular compatible models such as Garmin Edge, Wahoo, Leyzne, Sigma, Bryton, and iGSPORT series, and answer some of the frequently asked questions.


The Shimano Di2 system and bike computer are connected wirelessly via Bluetooth or ANT+. You’ll need the following:

  • 12-speed Shimano Di2 (Dura-Ace, Ultegra, 105), or
  • 11-speed Shimano Di2 (Dura-Ace, Ultegra, GRX)
  • BT-DN110 internal battery (for 11-speed)
  • EW-WU111 wireless unit (for 11-speed)
  • ANT+ and/or Bluetooth-capable and compatible bike computer

How to pair Shimano Di2 to a bike computer

Shimano 11-speed Function button
Shimano 12-speed Function button

Follow these steps to pair the 11 and 12-speed Shimano Di2 to the bike computer.

  1. Put the Di2 system in pairing mode.
    • 11-speed, press and hold the function button on Junction A until the red and green LEDs flash alternately. The Junction A can be found below the stem, handlebar end, or downtube, depending on the setup.
    • 12-speed, press the hold the function button on the rear derailleur until the blue LED flashes.
  2. On the bike computer, search for new sensors.
    • Garmin, go to Sensors > Add Sensor > Search all
    • Wahoo, go to Settings > Add Sensor
    • Lezyne, go to Menu > Sensors > Shifting > Scan BTLE
    • Sigma, go to Sensors > Search Sensor > Shimano Di2
    • Bryton, go to Page > Settings > Sensors > Di2
    • IGPSPORT, go to Settings > Sensors > Add Sensor > Di2
  3. Add the Shimano Di2 sensor, and you’re done.

Compatible bike computer models

Please note that this table is not exhaustive, and additional compatible bike computer models may be on the market. Always check the product specifications or user manual to confirm Di2 compatibility before purchasing.

GarminDiscontinued : Edge 510, Edge 520, Edge 810, Edge 820
Current : Edge 530, Edge 830, Edge 1030
Latest : Edge 840, Edge 1040
WahooDiscontinued : Edge 510, Edge 520, Edge 810, Edge 820
Current : Edge 530, Edge 830, Edge 1030
Latest : Edge 840, Edge 1040
LezyneCurrent : Mega XL, Mega C
SigmaCurrent : ROX 11.0, ROX 12.0
BrytonCurrent : Rider S800, Rider S500, Rider 750, Rider 420, Rider 320
Bike computer models compatible with Shimano Di2


Does Hammerhead Karoo 2 support Di2 integration?

Can I connect my Shimano Di2 system to any bike computer?

Do I need additional components to connect my Shimano Di2 system to a bike computer?

How do I know if my bike computer is successfully connected to my Shimano Di2 system?

Can I customize the Di2 data displayed on my bike computer?

Alex Lee at Mr.Mamil

Alex Lee is the founder and editor-at-large of Mr. Mamil. Coming from a professional engineering background, he breaks down technical cycling nuances into an easy-to-understand and digestible format here.

He has been riding road bikes actively for the past 12 years and started racing competitively in the senior category during the summer recently.