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

Includes

• basic holder
• screws and washers
• e-tube box with 6 ports and integrated cable to connect to the SM-BTR2 battery
• 2 dummy plugs
• foam pad
• 2 end caps