Brompton 原廠4速指撥含左煞車把手 Advance 4-Speed Shifter & Brake Lever

Genuine replacement 4-speed shifter and integrated brake lever for P Line bikes.

The gear shifter uses a self-returning mechanism to change between the four gears, pushing down changes to an easier gear, and up to a harder gear. You should pedal while changing gear.

Note – this shifter is not compatible with pre-2017 M/H handle bars and is only compatible with the 4-gear mechanism.