Brompton bicycle engineers deliberately perfected an eccentric three-part folding sequence that completely encloses the greasy drivetrain between both wheels to protect…

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Nobody wants to sit next to the guy on the train who has industrial chain grease tattooed on his calves.

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Nobody wants to sit next to the guy on the train who has industrial chain grease tattooed on his calves. Brompton engineers knew the main barrier to intermodal bicycle commuting wasn't the weight of the bike, but the filth of the chain. They engineered a wildly specific folding sequence where the bike’s rear wheel flips completely underneath, sandwiching the greasy drivetrain precisely between the two clean tires. You carry a tidy, self-contained metal briefcase, sparing your fellow passengers from your commuting grime.

Topics in this factfolding bikebromptonintermodal_transitbicycle_engineering

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Brompton bicycle engineers deliberately perfected an eccentric three-part folding sequence that completely encloses the greasy drivetrain between both wheels to protect…

A closer look

A bigger world.One discoveryat a time.

Keep exploring

Why scooters ruin a suit's authority

The hidden turbine that powers a plane on the ground

Attaching small urethane wheels to a flat wooden board entirely revolutionized urban street commuting

Largest wooden airplane ever constructed was famously nicknamed the Spruce Goose by a mocking press, despite the incredibly obvious fact that it was actually made entirely out of birch.

Mushers use specific verbal commands to steer dogs

The planted bridges that keep animals off roads

A bigger world.
One discovery
at a time.