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 Electric Junction Box EW-RS910 for Dura-Ace / Ultegra / GRX Di2 - bike-components
Shimano Di2 E-Tube SM-EW90 Di2 Junction Box Mount Excel Sports | Shop Online From Boulder Colorado
RaceWare Direct reveal Shimano Di2 junction box steerer tube mount | road.cc
SHIMANO Di2 Mounting Clip for Junction A | SM-EW90, 6,95 €
Shimano SM-EW90-A 3 Port Di2 Junction Box | Bikebug
Attaching Di2 junction box mount to flat stem?? - Main Topic Area - Timetrialling Forum