 Bicycles can be used for the first 30 minutes with no extra cost, with subsequent half-hour blocks (up to 2 hours) costing 0.70 € each.Use of a bicycle for more than 2 hours at a time is discouraged with a penalty rate of 4.20 € per hour, but also with the possibility of having membership cancelled after a certain number of uses in excess of two hours.To return a bicycle one simply places the bike in a spare slot at a Bicing station; the bike is recognised automatically and is locked into place.