Brompton 3-speed Integrated Shifter

Brompton 3-speed Integrated Shifter
 

Integrated gear shifter for 3-speed, 6-speed and 12-speed Brompton folding bikes

The gear shifter uses a self-returning mechanism to change between the three gears on the Brompton 3-speed BSR, 6-speed BWR or 12-speed internally geared hub, pushing down changes to an easier gear, and up to a harder gear