Shimano Di2 Bottle Cage Battery Mount BTR2
The SM-BTC1 mounts Shimano’s SM-BTR2 battery on a bike’s water bottle bosses and also acts as a Junction B, connecting wires from the shifters to the battery and derailleur.
- Mounts current SM-BTR2 battery externally next to bottle cage
- Junction B function
- Clean appearance due to internal wire routing
- Low profile design mounts to any frame with bottle cage mount
- Six E-Tube wiring ports with cable organizer
- System expansion than=kst to the E-Tube platform