Bixi, which opens for a new season at midnight Thursday, has announced that it will be free on some days this year.
Starting on May 29, the service will be free for users on the last Sunday of every month. Rides of under 30 minutes will be free on those days, the service announced on Thursday.
The Bixi network features 5,200 bikes at 460 stations.
The service closes for the season in November.
