Shimano Di2 RS910 E tube Frame or Bar Plug Mount 2 port Junction A

Features

• The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
• This junction A is required to connect the shifters via E-tube wires to the down tube junction wire
• For either specific frame mount or handlebar end plug mount
• 2-port design
• Battery level indicator feature
• E-tube EW-SD50 wires not included
• Additional charging point when using internal battery
• Gear index setup switch to allow fine tuning via shifter buttons
• Reliable and secure water resistant connectors