The one-piece carbon fork and wider carbon handlebars, meanwhile, 'make it stiffer and even more responsive.' Well, it should be fun anyway. There are several more affordable Brompton models these ...

Colours and features of each bike can be customised, from different gearing to the style of handlebar. Brompton bikes are available from £840. Produced by Charlie Floyd More from Video Brompton ...

So the three sizes dictate the rise and offset of the extended stem and seatpost length range, effectively varying handlebar ...

Especially when I compared it to the new Brompton P Line Explore 12-Speed ... The derailleur is controlled by a shifter on the left handlebar, while the hub is operated by one on the right handlebar.