Compatible with Original Brompton Brake Lever Operation: Press lightly (one clip) - go to the first gear Press hard (two click) - go back to the first gear Press hard to the end - go back to the second gear
Advantage: 1. Single lever operation, light and simple, weight 70g 2. It can be directly fixed on the original brake lever or H&H brake lever without taking up space on the handlebar. 3. Non-original brake levers and H&H brake levers can also be installed through the H&H shifter adapter.