Sigma - ROX 4.0 GPS Cycling Computer including Heart Rate Strap + Top Mount Computer Holder Black | Omnibikeparts | De shop voor fietsonderdelen en -accessoires.
Sigma ROX 11.0 | eBay
Sigma speedometer ROX 11.0 GPS black SET
Sigma ROX GPS 11.0 Cycling Computer - Black Set - 01008 - Walmart.com