Members of the Brooklyn-based rock band "The National" were the first to drop off their bikes and helmets before their show at the Barclays Center Wednesday night.
Mayor Bloomberg, a big bike booster, was there to welcome them.
The free valet service is an attempt to encourage people to bike to events.
Meanwhile, the mayor's other bike initiative, CitiBike, announced it has exceeded 100,000 rides in its first 10 days.
