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Sigma - ROX 4.0 GPS Cycling Computer including HR Heart Rate Strap + Cadence + Speed Sensors Black | Omnibikeparts | De shop voor fietsonderdelen en -accessoires.
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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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