Shimano EW-RS910 Di2 Drop Handlebar/Internal Frame Junction Box - 2-Port with Charging

$123.40 $151.99
By Shimano

Shimano Di2 Frame Junction Box

  • Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • MPN: IEWRS910
  • UPC: 689228890879