Tomtom Rider 550 main features, hands on - YouTube
TOM TOM Rider 550 Premium Pack Electronics · Motocard
Amazon.com: 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 :
TomTom Rider 550 Review: GPS and More for Motorcycles