Bike Drivetrains, Ranked

8. Retro-direct

7. Multi-speed derailleurs (≥ 10 gears)

6. Internal gear hub

5. Fixed gear

4. Sturmey Archer AW 3-speed internal gear hub

3. 1X rear derailleur only (5-11 gears)

2. Single-speed

1. Single-speed coaster brake