The singer then spoke about his Bike Bus experience during his concert the following day in Portland MICHAEL TRAN/AFP via Getty; Justin Timberlake; Sam Balto/Instagram Justin Timberlake can't stop ...

The singer then spoke about his Bike Bus experience during his concert the following day in Portland Justin Timberlake can't stop the wheeling. The "Mirrors" singer took part in a "bike bus" with ...

Justin Timberlake can't stop the wheeling. The "Mirrors" singer took part in a "bike bus" with Sam Balto, the co-founder of Bike Bus and other bikers in Portland, Ore. for a ride on a rainy day.