![David Arthur on X: "Specialized have developed this really neat Di2 junction box bracket, clamps onto the stem faceplate bolts. Smart http://t.co/J9A0S8tur7" / X David Arthur on X: "Specialized have developed this really neat Di2 junction box bracket, clamps onto the stem faceplate bolts. Smart http://t.co/J9A0S8tur7" / X](https://pbs.twimg.com/media/B1L51TlIMAEWkug.jpg:large)
David Arthur on X: "Specialized have developed this really neat Di2 junction box bracket, clamps onto the stem faceplate bolts. Smart http://t.co/J9A0S8tur7" / X
Shimano EW-RS910 Junction Box for Dura Ace / Ultegra / GRX Di2 Bar end 2 Ports EW-RS910 integrated Built-in type | Shopee Malaysia
![Amazon.com : SHIMANO EW-RS910 E-Tube Di2 Frame or bar Plug Mount Junction A, Charging Point, 2 Port : Sports & Outdoors Amazon.com : SHIMANO EW-RS910 E-Tube Di2 Frame or bar Plug Mount Junction A, Charging Point, 2 Port : Sports & Outdoors](https://m.media-amazon.com/images/I/51+HvGkzYSL.jpg)