Beat the Train Rules
Folded bikes travel free, any time, no booking. Rush hour sorted.
Flat Friendly
No hallway arguments. No bike room waiting lists. Keep it under your desk.
Goes Where You Go
Car boot, campervan, plane hold. Pack it and forget about logistics.
Electric Options Exist
Brompton Electric proves folders and motors work beautifully together.
Popular Folding Bike Brands
| Brand | Wheel Size | Weight Range | Fold Time |
|---|---|---|---|
| Brompton | 16" | 11-13kg | 10-20 secs |
| Dahon | 16"-20" | 10-14kg | 15-30 secs |
| Tern | 20"-24" | 12-16kg | 10-15 secs |
| B'Twin | 20" | 12-15kg | 15-25 secs |
Why London Runs on Folders
Stand on any Southern Railway platform during rush hour and count the Bromptons. Folding bikes solved a problem that British commuters had accepted as unsolvable: how to combine cycling with trains without fighting conductors, booking systems, and space restrictions. Fold it, carry it, forget about it.
Small Wheels, Real Concerns
Sixteen inch wheels fold smallest but feel twitchy to riders used to full size bikes. Twenty inch wheels ride more naturally and still fold compact enough for most purposes. Brompton chose sixteen inches because ultimate compactness was their design priority. Tern and Dahon offer twenty inch options for riders who will cover longer distances on their folders. Neither choice is wrong. Just different priorities.
Brompton: Worth the Waiting List
Hand brazed in Greenford, west London, every single Brompton. That is not marketing. That is a factory full of skilled craftspeople building bikes that last decades. The three part fold shrinks to briefcase size in under ten seconds once you learn it. Hundreds of configuration options. Legendary resale values. Yes, they cost more than alternatives. Yes, there is often a waiting list. People pay anyway because nothing else matches the package.
Electric Folders Changed the Game
Brompton Electric added two kilograms and a battery bag that doubles as a handlebar bag. Suddenly the hills between station and office disappeared. Tern Vektron takes a different approach with bigger wheels and more powerful assistance. Either way, electric folders prove that motor assistance and portability can coexist. The commuters who bought them stopped driving.
Frequently Asked Questions
What is the best folding bike for commuting in the UK?
Brompton remains the gold standard for train-and-ride commuting thanks to its compact fold, but Tern and Dahon offer excellent alternatives at lower price points. Brompton folds to briefcase size in under 10 seconds and travels free on all UK trains at any time. For longer commutes, consider a 20-inch wheel folder from Tern or Dahon for a more natural ride feel.
Are folding bikes allowed on trains in the UK?
Yes. Folded bikes travel free on all UK train services at any time, including peak hours. There is no booking required and no restrictions. This is the single biggest advantage over full-size bikes, which are banned during rush hour on most services and require advance booking on others.
How much should I pay for a used folding bike?
Used Bromptons hold their value exceptionally well, expect to pay £600 to £1,200 for a good condition model. Dahon and Tern folders depreciate more, with used models starting from £150 to £400. Every folding bike listed on Cyclesite is checked against UK stolen-bike databases before listing.
Are electric folding bikes worth it?
If your commute includes hills or you want to arrive without sweating, absolutely. The Brompton Electric adds about 2kg and a battery bag. Tern Vektron offers more power with bigger wheels. Electric folders cost £1,500 to £3,500 new, but used models can be found from £800 upwards. Check battery health before buying, replacement batteries cost £300 to £600.
What wheel size is best for a folding bike?
Sixteen-inch wheels fold smallest but feel twitchy at speed and handle bumps poorly. Twenty-inch wheels ride more naturally and still fold compact enough for most storage needs. Brompton chose 16 inches for ultimate compactness. Tern and Dahon offer 20-inch options for riders covering longer distances. Neither is wrong, it depends whether portability or ride quality is your priority.
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Folding-bike picks and buyer tips reviewed by Tom Southern, Founder. Last reviewed 20 May 2026.