Brompton T Line 2026 4 Speed folding bike Grey M bar, New System

The Brompton T Line 2026 is a British-made steel folding bike designed for urban commuting and everyday city riding. This is a four-speed model with the M-bar handlebar configuration, finished in grey, and it features Brompton's updated system for 2026. The bike is just one month old with minimal use, so it's in like-new condition with full paper documentation available. The Brompton fold is the signature feature here—the frame folds compactly enough to fit under a desk, into a train luggage rack, or the boot of a car, making it practical for commuters who combine cycling with other transport. At the heart of the design is Brompton's lateral folding mechanism, which has been refined over decades and remains one of the most reliable systems for getting a rideable bike into a genuinely portable package.

The four-speed hub gear gives enough range for typical urban terrain without adding weight or maintenance complexity, and the 16-inch wheels contribute to the compact fold whilst keeping the bike nimble in traffic. The M-bar handlebar is the middle-ground option between lower and higher positions, suiting riders who want a balance between reach and comfort for shorter journeys. Day to day, this is a bike that handles the punctuated rhythm of city cycling—traffic lights, pedestrians, parked cars—without fuss. The fold itself becomes automatic after a few rides, taking just seconds to collapse or set up, so carrying it up stairs or onto a train is manageable even if you're doing it regularly. This model works well for anyone living in a flat or office with limited storage, or for commuters who want the option to abandon the bike and switch to public transport without being stuck with a full-size frame to lug around. Available in black, next-day delivery is offered with collection from London preferred.