Sigma - ROX 4.0 GPS Cycling Computer including Heart Rate Strap + Top Mount Computer Holder Black | Omnibikeparts | De shop voor fietsonderdelen en -accessoires.
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
Sigma Sport ROX 4.0 GPS computer set Sensor
Sigma ROX 4.0 GPS bike computer black HR + CAD/Speed Sensor Top Mount Set