Shimano SM-JC40 Di2 External Frame Junction Box 4-Port Cassette & Freewheel Tools Dual alloy hex bolt lock

Dual alloy hex bolt lock rings securely attach grip to bar

- Easily presses pistons back to original position when installing new pads

UPC: 072774031108

Original Cannondale Di2 battery mounting hardware for SystemSix aero seatposts

gravel and everything in between

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port Cassette & Freewheel Tools Dual alloy hex bolt lockShimano 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 Today's Stock