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Support Videos for A Line

The A Line -From A to B. The essential Brompton folding bike. The ride, the compact fold, the easy-to-store..
A Line is mechanically very similar to C Line

The C Line is our classic core model which is available in multiple specifications.The A Line bike is is our folding Brompton bike with a one-size-fits-all spec.. The A Line has 3 gears and a mid-handlebar type which makes this model ideal for the city. The frame, forks and rear triangle frame on this model is the same as on our C Line.

The B75 was the prequel to the A Line

Brompton have now simplified its model names at the end of 2021. All previous models now fit into one of the brand’s five lines: A Line, C Line, Electric C Line, P Line and the T Line. The B75 has now been replaced with the A Line and the specification remains almost identical.



Setting Up Your A and C Line

Maintain Your Brompton
Repair Your Brompton

How to upkeep your Brompton headset

Click the button below for a guide on how to service, replace and remove your Brompton Headset


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7 Years Warranty

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