* SM-BTC1 mounts current SM-BTR2 Di2 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.
* Does not include SM-BTR2 battery.
Shimano Di2 Bottle Cage Battery Mount
$ 88
Shimano SM-BTC1 Di2 Bottle Cage Battery Mount.
SKU: P-SHM-ISMBTC1 Category: Spare Parts
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