A bike is the first thing most students need in Maastricht. Students who are leaving sell theirs here, usually with a lock, for a fraction of the price of a new one.
Most student city bikes sell for €50–€120, depending on the brand, the gears and whether a good lock is included.
A busy public place like Vrijthof, Markt or the station square. You can propose one in the CampusSwap chat in one tap.