2023 Electric C Line - new 4 speed version

It's 2023 and all change for the Brompton Electric 4 speed Here we show the changes Gone are the 2 speed (urban) and 6 speed (explore) - replaced by a new urban 4 speed Using the same advanced rear triangle as the P Line and T line - but made of steel instead of titanium and with the 4 speed sprocket set How to set up the 4 speed gears:    • Brompton 4 speed derailleur gear adjustment   0:00 | Intro 0:45 | Goodbye 6 speed and 2 speed 1:42 | Battery weight 1:53 | Bike Weigh In 2:30 | Feature / spec changes 4:04 | End 4:20 | Outtakes