NEW Shimano SM-JC40 Di2 External Frame Junction Box 4-Port price_changed_on_2024-07-23 Brakes: Sram Motive Silver A2

Brakes: Sram Motive Silver A2 4 piston Hydraulic Disc

Front Wheel: DT Swiss 370 12 x 100mm hub

Ultra-light hollow carbon fiber crankarms are 29 g lighter than previous generation

The Compact AlloyBoards are built to last

NEW Shimano SM-JC40 Di2 External Frame Junction Box 4-Port price_changed_on_2024-07-23 Brakes: Sram Motive Silver A2Shimano 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