Shimano SM-BTC1 Battery Case - Bottle Cage Mount

The Shimano Battery Case Bottle Cage Mount SM-BTC1 mounts Shimano's SM-BTR2 battery (not included) on a bike's water bottle bosses and also acts as a Junction B, connecting wires from the shifters to the battery and derailleur. The SM-BTC1 mount also acts as a cable organizer, keeping your bike looking tidy. Shimano Di2 BTR2 battery sold separately.

Features

• 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