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Sigma Sport ROX 4.0 Sensor Set - GPS Cycle Computer + R1 DUO HR Chest Belt + DUO Magnetless Speed & Cadence + Overclamp Butler - black
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Amazon.com: Sigma ROX 4.0 GPS Bike Computers, Black, Altitude, Navigation, Large Display, Easy 3 Button Operation, E-Bike Ready, Smart Phone Connectivity, Lightweight, IPX7 Water Resistant (Computer Only) : Electronics
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