It's every cyclist's worst nightmare – returning to your bike only to find a broken lock and no trace of their pride and joy. The sad fact is that bike theft is an incredibly common crime and, as a result, bicycle security has never been as important as it is today.
Many of us have to lock our bikes in less than ideal conditions on a daily basis, and we're always amazed at the amount of lockup fails we've seen out and about. No lock is totally theft-proof, of course, but follow the advice in the video below and you can make it as difficult as possible for bike thieves to get what they want.
Video: How to lock a bike
If you're lucky enough to own a shed for your bike or bikes and are concerned about security, BikeRadar have put together a two-part guide to help you improve defences. We've also got a buyer's guide to bike locks for those after a more detailed rundown of security hardware.