Waterproof cable for Shimano Di2 shifting components. It connects the Di2 components with the junction box SM-JC40 or SM-JC41. Easy plug and play system to connect the cables, which are available in different lengths to accommodate most frame dimensions. Connection with PC for diagnosis and changing the shifting order. For questions about the length, contact the Bike24 service team. Fits all Di2 components, incl. battery excepting the Dura Ace 7970.
Note: For the function of the complete system four cables are imperatively needed to connect the front and rear derrailleur, the battery and the control unit of the STI levers with the junction.