Description
The Shimano Di2 Junction B box is the center of the e-tube Di2 system
Nineteen is able to deliver the ultimate swimming experience
The Remote Satellite Shifters come with connector cables
63 mg potassium
Nineteen Men's Pipeline Sleeveless Wetsuit Bike Electronics Mounts & Sensors Sensors The Shimano Di2 Junction B Length:38cm W 1 BR 0044 GN030 L Soybean Free Factory Traces Parts Drivetrain & Brakes Brakes Calipers The Shimano Di2 Junction B box is the center of the e tube Di2 system Nineteen is able to deliver the ultimate swimming experience