It's not just opinions that differ when it comes to mountain bikes with or without e-assistance. When it comes to freewheels, it can also be all or nothing. Because there are indeed tastes that don't get along with certain freewheel noises. To prevent misunderstandings, Stan's spared no effort with the new M-Pulse hub: in comparison clips, you can hear how the hub sounds and how the sound of the competition hums. Even a rattlesnake enters the ring for the best freewheel sound.