SHIMANO DURA ACE ULTEGRA EW RS910 Junction for Bar / Frame SM-JC41 Junction Box for Di2 internal - AliExpress
Shimano Di2 EW-RS910 E-TUBE Junction A Built In Type For Frame or Handlebar | eBay
Shimano Ultegra and Dura-Ace Di2 Electronic Shifting – Everything You Need to Know – Carlton Bale
Installation Guide: Bar-end Junction EW-RS910
User manual Shimano EW-WU111 (English - 2 pages)
Shimano Di2 EW-RS910 E-TUBE Junction A Built In Type For Frame or Handlebar | eBay
Shimano Di2 EW-RS910 E-TUBE Junction A Built In Type For Frame or Handlebar | eBay
Is this diagram (Di2 Ultegra 8050) in the dealers manual designed to help people part out and build a Di2 groupset? Just wondering as I'm currently collecting parts and wanted to ensure