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Amazon.com : Sigma Pure GPS, Bicycle Computer w/ Navigation | Speed, Distance, Altitude, Calorie Tracking, PC/MAC Interface, Button Lock, Backlight Display | IPX8 : Sports & Outdoors
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Amazon.com : Sigma ROX 4.0 GPS Bike Computer, Black, Altitude, Navigation, Large Display, Easy 3 Button Operation, Quick Mounting, E-Bike Ready, Smart Phone Connectivity, Lightweight, IPX7 Water Resistant : Sports & Outdoors
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