- Components
- Electronic Shifting
- Shimano D12
- shimano e-tube di2 jc41 bottom bracket junction internal
- Sm-jc41 e-tube cable junction for internal wire routingjunction is required for connection of rear mech, front mech, battery, and cable to battery indicator junction boxto be positioned neatly inside frame tubing when connectedcables sold separatelyreliable and secure water resistant connectors