Oct 24, 2014 · It’s never about the junction box mounting options. How come with the mountain bike di2 being released there are all sorts of di2-specific stems altready but Di2 has been floating around for a couple of years on road and no one has bothered to do away with that gawdaweful strap?
The little junction box, usually located at the stem, is the key to making these adjustments. Knowing?some simple inputs gives you access to all the features. The junction box has a couple of cable inputs, a little door at the side for connection to the charger, two LED windows and a small and somewhat stiff button on the top.
Zip tie around the Di2 box mount to the barflythen slide the Di2 junction box onto that (pretty much what you should do regardless given how flimsy the junction box mount is by itself) Ordered one just to check it out. In the pics it looks like the whole junction box is zip tied to the Bar Fly
Description. This is a 3D Printed Carbon holder for the di2 junction box, it replaces a 5mm stem spacer for standard 1 1/8 size steerer tubes. The clip is designed as a one way clip so once the box has been installed it is not intended to be removed.
Wire Junction Boxes. There are two wire junction boxes in any Di2 set-up. These are where the wires leading to the various components come together. The cockpit, or “A” junction, which hangs below the stem, is part of the Front Wire Harness, so we’ll discuss it in the wiring section.
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