The SM-BTC1 mounts Shimano’s SM-BTR2 on a bike’s water bottle bosses and also acts as a Junction B, connecting wires from the shifters to the battery and derailleur.
- SM-BTC1 mounts current SM-BTR2 battery externally next to bottle cage
- Low profile design mounts to any frame with bottle cage mount
- Junction B function
- Six E-tube wiring ports with cable organizer
- Clean appearance thanks to internal wire routing
- System expansion thanks to E-tube platform
Model Number: ISMBTC1