Shimano SW-RS910 Di2 Drop Handlebar/Internal Frame Junction Box, 2-Port with Charging Mountain Frames 153563-Q0-L

153563-Q0-L

FK2499 942934-02

Iron Horse

Bleeding Edge technology for quick

137781-Q0-L

Shimano SW-RS910 Di2 Drop Handlebar/Internal Frame Junction Box, 2-Port with Charging Mountain Frames 153563-Q0-LShimano 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 Product Specifics keyword search: EW