8GB Micro SD Card SDHC With SD Adapter Card for TOMTOM Go PREMIUM Basic 5" 6"
Tested: TomTom Rider 500 & 550 sat-nav review
Compatible memory cards for map installation – TomTom Support
GPS TomTom Rider 550 Premium Pack (World Card)
16Gb Scheda di memoria p. TomTom Rider 550
TomTom Rider 550 | Motorcycle GPS
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
TomTom Rider 550 Review: GPS and More for Motorcycles