The A Line is a simple, reliable, and affordable Brompton folding bike. With a durable steel frame and a quick 20-second fold, it’s perfect for commuting, travel, and city living—all at an accessible price.

The classic steel Brompton, updated with a new gearing system and an even more portable design to take you around the city—and around the world.

Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is Racing Green with black parts

The classic steel Brompton, updated with a new gearing system and an even more portable design.

Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is Dune Sand with black parts.

Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is Matcha Green with black parts.

Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is Racing Green with black parts.

Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is black with black parts.

Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is Dune Sand with black parts.

Previously known as Brompton M6L. Brompton folding bikes are made in London and renowned for folding within 20 seconds into a shape roughly 24" x 24" x 12". This one is Sunset Orange with black parts

The most versatile Brompton ever goes electric, with 20" wheels and a rear hub engine ready for any adventure you throw at it.