Pairing a headset with both a smartphone and your Rider 500/550 - YouTube
TOMTOM Rider 550 - GPS moto | RAD
Appli TomTom Go Mobile : GPS et zones de dangers sur iPhone
Buy TomTom Rider 550 Motorcycle GPS Navigation Device, 4.3 Inch, with World Maps, Motorcycle Specific Winding and Hilly Roads, Updates via WiFi, Traffic and Speed Cams, Compatible with Siri and Google Now