Decathlon Btwin 20" Folding Compact Commuter Bike

This B'TWIN 20-inch folding bike is a compact commuter built around a steel frame and designed for urban riding and transport flexibility. The fold brings the bike down to a genuinely portable size, making it practical for mixing cycling with public transport or storing in a small space. It's the kind of bike Decathlon pitched at people who need something that works both as daily transport and as a package that doesn't dominate your hallway or office.

The bike runs 6-speed derailleur gears, which gives enough range for general city riding and gentle hills without overcomplicating maintenance. The 20-inch wheels are typical for folding bikes, offering reasonable manoeuvrability in traffic whilst keeping the folded dimensions compact. Day to day, it handles the rhythm of urban commuting well—the sort of bike you can lock up without worrying too much and that doesn't demand fussy servicing between rides.

This particular example is in used condition and working throughout, though the rear brake is loose and will need adjustment before regular use. There's a section missing from the clear disc on the rear wheel, but this is cosmetic and doesn't affect how the bike actually stops or runs. The frame and components are solid, though the bike would benefit from a clean to restore it properly. Originally purchased from Decathlon in 2021 for £250, it remains a straightforward folding commuter suited to anyone looking for practical urban transport without the fuss of a full-size bike.