Cycling has always been a bit of a numbers game, and the best bike computers make it easy to track and improve your performance from the trail to the tarmac. These small, powerful units offer a full ...

The Garmin Edge Explore 2 is Amazon’s only Garmin bike computer deal for its ubiquitous Prime Day sale – you can have a new one for £194.99, or a refurbished unit for £150.99 (at the time of writing).