Shimano SM-JC41 E-Tube Di2 Internal Frame Junction Box Nutrition Holds 2 fluid ounces of

Holds 2 fluid ounces of solvent

Magnet at bottom of solvent reservoir draws particles scrubbed from chain

Dual Band Technology Wireless Connection Sleek

Must purchase battery

Shimano SM-JC41 E-Tube Di2 Internal Frame Junction Box Nutrition Holds 2 fluid ounces ofFrame 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