Shimano E-Tube Di2 Internal Junction B Box Fcolourfamily_Red Digital Patrol LED

Digital Patrol LED

locks racks and bikes

Lizard Skins Fork Protector

The caliper can also be used along with Shimano's "Ice-Tech" pads and rotors for even better performance when riding trails with extended descents

Honzo AL DL

Shimano E-Tube Di2 Internal Junction B Box Fcolourfamily_Red Digital Patrol LEDShimano E Tube Di2 Internal Junction B Box The Shimano Di2 SM JC41 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 internally mounted systems for External use SM JC40.