NEW Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Type_Eyewear Shifter(s) : SRAM APEX 1x11

Shifter(s) : SRAM APEX 1x11

46cm 5'1" - 5'7"

It embraces range without adding complexity

Pad Type: Hard Shell over Foam

NEW Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Type_Eyewear Shifter(s) : SRAM APEX 1x11Shimano 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