SHIMANO Di2 SM-BTR1 External Battery
Reference: ISMBTR1A
The Shimano Di2 SM-BTR1 lithium-ion external battery offers 1,600 km of range and mounts on the downtube, compatible with both internal and external wiring.
Reference: ISMBTR1A
The Shimano Di2 SM-BTR1 lithium-ion external battery offers 1,600 km of range and mounts on the downtube, compatible with both internal and external wiring.
SHIMANO Di2 SM-BTR1 External Battery Specifications:
Compatibility :
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