Shimano EW-JC302 Di2 Junction Box - 2 Ports Use With EW-SD300 Model Name-GXP/HOWITZER B.B. Tool 60 e-Bike approved Yes Primary

60 e-Bike approved Yes Primary Color Black Tire Compound MAGI-X Tire Diameter/ISO 27

A generous flat 110x105mm platform with 9 pins per side and proven ramped and undercut traction pad ensure your feet are always planted regardless of how rough the riding gets

Great for securing bikes

Vue headlight camera

Shimano EW-JC302 Di2 Junction Box - 2 Ports Use With EW-SD300 Model Name-GXP/HOWITZER B.B. Tool 60 e-Bike approved Yes PrimaryShimano Di2 Frame Junction BoxFrame 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