"If You're Close Enough To Read This Your Ears Will Hurt"
"Caution - Polish Rider"
"My Other Toy Has T*ts" (Don't like this one myself, but it seems popular)
"Please Clean My Bike"
"Gdansk to Leicester - 1000 Miles In 26 hours" (Or whatever the distance / time actually is)
"My Other Bike Is Clean"
"Sorry For Cutting You Up"
Come on folks, the possibilities are endless..
