- All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
- Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
- Compatible with thinner, next generation electric SD300 wires and R9150 and R8150 series systems
- Features three SD300 wire ports
- Shared fixing method with BT-DN110
- Built-in type
- U.S. spec
- Charger and power cable sold separately
- Note: Lithium-Ion Battery. Can only ship via UPS Ground.
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