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 Sport ROX 11.1 EVO GPS Bike Computer, Black, Navigation, Workout, Indoor & Outdoor Training, Quick Mounting, E-Bike Ready, Smart Phone Connectivity, Lightweight, IP67 Water Resistant (Computer) : Electronics