Decathlon Btwin 20" Folding Compact Commuter Bike

This B'TWIN folding bike is a compact commuter built around a 20-inch wheel size and a steel frame that collapses down for easy storage and transport. The grey steel construction is straightforward and hardwearing, suited to the kind of daily urban riding where a bike needs to earn its keep without demanding much fuss. With six speeds via derailleur gears, it handles typical commute terrain without overcomplicating things, and the folding design means you can stash it in a cupboard, take it on the train, or keep it out of the way when you're not using it.

The 20-inch wheels keep the overall footprint compact, which works in favour of both the fold and the bike's manoeuvrability in tight urban spaces. Six gears is enough to cope with gentle hills and rolling ground, and the derailleur system is reliable and easy to maintain once you're familiar with it. For someone commuting a couple of miles through town or mixing cycling with public transport, this is practical everyday equipment that doesn't ask you to compromise much on usability for the sake of portability.

A bike like this suits anyone who needs a fold-away commuter for short urban journeys, or a second bike that doesn't take up much room at home or at work. The steel frame is durable rather than light, which means it's built to last but won't feel featherweight if you're carrying it regularly. If you're looking for something to get you reliably from A to B without fuss, and you value having a bike that packs down small, this is the kind of straightforward choice that simply works.