The London Cyclist guide to cleaning your bike even when you?ve not got the room to do it
Keeping your bike clean when you?ve not really got the room to do it is a pain. However, it is something that should be in your calendar at least once a month. It should be one of those things, you shouldn?t even think about having to do. ?Oh, it?s the first of the month ? [...]
Source: http://www.londoncyclist.co.uk/maintenance/london-cyclist-bike-clean-guide/