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Amazon.com : Sigma Pure 1 Basic Bicycle Computer, Wired | Speed, Distance, Time | Compact, Easy to Read Display, Auto Start/Stop, IPX8 Water Resistant, Tool Free Mounting, USFB Compatible : Sports & Outdoors
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SIGMA ROX 2.0 GPS Bike Computer, Top Mount Set, Black, Navigation, Large Display, Easy 2 Button Operation, Quick Mounting, E-Bike Ready, Smart Phone Connectivity, Lightweight, IPX7 Water Resistant - Amazon.com
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