This bell is a great concept and for the most part I think it's a great bell. It's unobtrusive and fits great. The only problem is the bell tone seems to be hard for others to hear. Maybe it's not loud enough, or maybe the spring is a little light. All I know is that people don't seem to respond until I'm close enough to give them a verbal warning which kind of defeats the purpose. Great concept, but needs a bit of refinement.
Very disappointed in the quality and design. I installed it and loved the fact that it was very low profile and unobtrusive. On my first ride I flicked it with my thumb a few times and quickly noticed that the spring distorted to the point of not striking the bell. I tried a few more times and then the striker snapped off leaving only the spring. I pulled on the spring a bit and it fell off while I was riding. Went back to my Incredibell... its years old and still works, just not as cool looking.
This bell looks great, and is machined extremely precisely and finished exceptionally, but none of that is the point of a bell. The point of a bell is to be heard, and this is far, far too quiet to be useful. Switching back to the classic Crane bell larger and heavier, and not elegant looking, but with a loud and beautiful tone.
A nice look, the black one is almost invisible on my black bars and tape. Not as loud as the bigger bells, but loud enough to be heard on quiet streets. I'm happy with it, but if you ride in, and want to be heard above traffic then I don't think this bell is the best choice.
This little bell is so powerful it freaks out my dog from 50 yards. On my first ride, I took a trail that is multi-use. I came down fast a slope to end at a larger conjunction crowded with a group of hikers blocking pass. All I did was lightly touch the Knog and O! These people jumped and cleared the path quickly. It wasnt my intention to do that, it only speaks of how powerful the sound of this bell is.