One question we are often asked - how do I adjust / fix / set up my 4 speed derailleur on my Brompton P Line / T Line or C Line Electric (2023 onwards)

So - here goes

The video is split into the following sections:

0:00 | Introduction
0:25 | The Brompton derailleur
1:30 | H Limit adjustment
3:20 | Indexing
4:38 | L Limit adjustment
5:19 | Outtakes