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SIGMA DTS WIRELESS BATTERY CHANGE - BC 1106 DTS, 1606 DTS, 1706 DTS, 2006 DTS, SIGMA SPORT - YouTube
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Amazon.com : Sigma Bike Computer, Originals BC 12.0 Wired, 12 Functions incl Monthly Statistics, Two Bike Operation, Large Backlit Display, Weatherproof, Long Battery Life, Flexible Mounting, Easy Operation : Sports & Outdoors
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