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Shimano SM-BTR1 DURA-ACE 7970 And Ultegra 6770 Di2 Battery Smbtr1 - £76.99 | Electronic Groupset Spares and Accessories | Cyclestore
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Shimano Ultegra Di2 6770 Group: F/R Derailleurs - STI Shifters - Wiring/ Battery (long) - Bike Recyclery
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