Di2 BATTERY MOUNT FOR SM-BTR2

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.
  • pretty_bullet.png SM-BTC1 mounts current SM-BTR2 battery externally next to bottle cage
  • pretty_bullet.png Low profile design mounts toany frame with bottle cage mount
  • pretty_bullet.png Junction B function
  • pretty_bullet.png Six E-tube wiring ports with cable organizer
  • pretty_bullet.png Clean appearance thanks to internal wire routing
  • pretty_bullet.png System expansion thanks to E-tube platform