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Shimano SM-BTR1 Di2 Battery, External Mount, 7.4Volt, Lithium-Ion - Picture 1 of 5
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Shimano SM-BTR1 External Di2 Battery for E-Bikes

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Price:
£64.99
+ £5.40 postage
Estimated delivery Fri, 17 May - Tue, 21 May
Returns:
30 days return. Buyer pays for return postage.
Condition:
New
This Item:Shimano SM-BTR1 Di2 External Mount 7.4V Li-Ion Battery (RRP £76.99). - 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).