London Cycling Campaign is warning internet sites which don't require identification are becoming popular for thieves selling on bikes. Often, a thief won't post a real photo of the bike, and will expect a quick sale, often conducted by mobile phone and on a street corner or outside a pub.
More top news
Seven week old baby sloth Edward, named after Edward Scissorhands because of his long claws, has been given a special teddy at London Zoo
The Met Police are searching for a shotgun-wielding gang of burglars who were caught on CCTV smashing into an East London home
A senior employee at a 4-star London hotel has been jailed for six years for raping a man who he lured to a fake job interview.