Garmin launches 'world's smallest' GPS computers

Garmin has launched what it calls the 'world's smallest' GPS cycling computers, with its new Edge 20 and Edge 25 devices.

The American company's new compact computers will cost just a fraction of some of the bigger predecessors, starting at £109.99 for the Edge 20 and £139.99 for the Edge 25.

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The extra cost of the 25 comes with Bluetooth and ANT+ connectivity to allow you to instantly upload your ride and use live tracking, as well as connecting to a heart monitor and cadence sensor.

With just 2.3 x 2.3cm screen, the devices feature a straightforward and simple display and weigh just 25g according to Garmin. For comparison, the top of the range Edge 1000 weighs in at a reported 114.5g with its 3.9 x 6.5cm screen, so quite a substantial difference in weight and price, with the 1000 retailing at over £300.

You'll be able to follow courses and routes as well, while you can receive segement alerts when you're heading to a stretch of road you've bookmarked.

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The memory will only allow up to 10 rides, so you'll need to be saving them to a computer fairly regularly.

There is a reported eight hours of battery life though, which is pretty impressive for such small devices.

You can find out more about the Garmin Edge 20 and 25 by visiting the Garmin website.