I want to upgrade the group to ultegra di2 but the frame doesn t have internal cable routing.
Di2 external cable routing.
Other episodes in this series.
Time to start building the open u p.
Di2 cable routing options.
Shimano s simplified modular wiring system for its ultegra di2 electronic shifting system is an improvement over the dura ace di2 s wiring setup.
Semi external routing is just as i have described with the long wire running inside the down tube.
Quick as possible overview of all required components for shimano s di2 ultegra shifting system.
Shimano di2 ew sd50 i cable binder for internal routing 5 45 shimano pd 6800 carbon spd sl 135 53 shimano ultegra di2 6870 tt groupset cable set l 57 cm frame includes 8 cables 132 56 shimano ultegra di2 6870 tt groupset cable set m 53 56 cm frame includes 8 cables 132 56.
Decide which components will go where on your frame.
Shimano di2 external components overview justin maxwell.
Di2 internal cable routing made.
Determine internal or external routing 2.
Di2 routing measurement and wire selection rear derailleur battery junction a junction b front derailleur external routing junction box b sm jc40 rear derailleur front derailleur battery junction a junction b internal routing junction box b sm jc41 to select proper wire ew sd50 length.
Mounted to the cable guide beneath the bottom bracket shell for externally wired systems the junction box neatly and securely connects the wires running from the front derailleur rear derailleur.
I have an all city mr.
Ultegra di2 external cable routing.
Pink which currently has shimano 105.
Di2 for dummies beginner s guide to di2 when you buy a di2 bike it generally does not come with a di2 manual.
Ultegra di2 6870 groupset 11s external cable routing 18879.
And even when it does it is usually horribly outdated or full of information you just don t need right now.
Https youtu be wcnskwlf9f8 you re watching it.
There is a hole drilled up near the head tube and one down near the bottom bracket shell for it.