Banking giant Citi will be the primary sponsor of New York’s bike-share system, set to launch this summer with 600 stations and 10,000 bikes in Manhattan and Brooklyn.

Mayor Bloomberg and NYC DOT Commissioner Janette Sadik-Khan made the announcement a short while ago at City Hall, where bikes and a logo-adorned station are temporarily on display.

We’ll have more on this morning’s event later today. For now, enjoy the photos — and congratulations to reader Mike, who called it.