Spylamp uses GPS and a SIM card to track stolen bikes

As warmer spring weather is upon us here in Germany, more and more people are taking their bikes out for a spin. But of course, any time you lock up your bike, you run the risk of it getting stolen.

Of course, in most European cities, the police have come up schemes to mark and register bikes. But while tactics have had some impact, but most bikes are never recovered, finding their way quickly onto online auctions sites or into second hand shops, with few questions asked. And at the end of the day, with around 20,000 bicycles stolen in London alone each year, bike crime is rife.

But one British startup is hoping to change all that, by combining GPS tracking, a SIM card, and a motion sensor - all in an ingenious package.

Robin Powell reports from London.