Yes, there are several bike renting companies in Stockholm, e.g. [City Bikes][1] and [Rent a bike][2].

City Bikes offer several renting locations in and around the city centre, while Rent a bike has one office in the city centre. They both offer flexible renting schedules, from hours to weeks (or seasons, in the case of City Bikes.


  [1]: http://www.citybikes.se/home
  [2]: http://www.rentabike.se/indexUk.html