Shimano E-Tube Di2 External Junction B Box Color:Black The clamp rotates 360 degrees

The clamp rotates 360 degrees to get any bike in the perfect position for any repair

30mm spindle for Easton Cinch cranks

and titanium

the Park Tool P-Handled Hex Wrench delivers precision

Equal to the sizing of the Mavic® 108 471 01 wrench

Shimano E-Tube Di2 External Junction B Box Color:Black The clamp rotates 360 degreesShimano E Tube Di2 External Junction B Box The Shimano Di2 SM JC40 is designed to connect SD50 E tube wires along four points; front derailleur, rear derailleur, cockpit junction and battery mount. The B Box is used to split the main wire from Junction A to the front and rear derailleurs. It can also be used to connect a seatpost mounted battery to the system. Specifically designed for externally mounted systems and mounts underneath bottom bracket