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Shimano SM-BTR1 Di2 external mount battery - Picture 1 of 1

Shimano SM-BTR1 External Di2 Battery for E-Bikes

5.04 product ratings
  • Woolly Hat Shop (460347)
  • 99.4% positive Feedback
Price:
£76.98
Free 4 day postage
Estimated between Fri, 31 May and Mon, 3 Jun
Returns:
60 days return. Buyer pays for return postage.
Condition:
New
Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever).