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Sigma ROX 4.0 GPS Bike Computer with Sensor Set - Wireless, Rechargeable, Black 4016224010646 | eBay
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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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