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 Motorcycle GPS Navigation Device, 4.3 Inch, with Motorcycle Specific Winding GPS Navigation - Newegg.com
TomTom GPS - Rider 550
TomTom Rider 550 - Five reasons to choose a dedicated Sat Nav - YouTube