description Brompton Folding Bicycle Overview
The Brompton is a compact folding bicycle designed by Andrew Ritchie and manufactured by Brompton Bicycle. Its folding system lowers the handlebar and seatpost while folding the rear wheel and frame into a compact package that can be carried or stored in places where a conventional bicycle may not fit. The design is used primarily by commuters, travelers, and cyclists who need to combine bicycle travel with trains or other transport.
help Brompton Folding Bicycle FAQ
Who designed the Brompton Folding Bicycle?
The Brompton was designed by Andrew Ritchie in London, beginning with the folding bicycle concept that became the company's signature product. Production has remained closely associated with Brompton's London manufacturing history.
How does a Brompton fold so small?
The rear wheel folds underneath the main frame, the handlebar stem folds down, and the frame separates into a compact package around its small wheels. This three-part folding sequence is what makes the Brompton practical on trains and in offices.
Does the Brompton use a steel frame?
Traditional Brompton models use a durable steel main frame, although some versions combine steel with titanium components to reduce weight. The frame's hinge and folding joints are engineered around repeated daily folding.
What does a three-speed Brompton use for shifting?
Classic three-speed Bromptons use an internal gear hub rather than a conventional exposed rear derailleur. The enclosed hub keeps the gearing compact and helps preserve the bike's folded shape.
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