My macbook (2016) started a little chime notification today (that sounds like a ringing bicycle bell) and won't stop. It is sporadic, every few minutes and sometimes a couple of times in a row. The only thing I have had open is Chrome, and even when quitting Chrome it still does it. I restarted it and even on the user screen before entering my password it did it. Any idea where this could be coming from? It's driving me bonkers.

So the difference between the softest (96 db) and the loudest (106 db) is 10 db, which is quite a lot. Do you know if my Mango has the default 96 db bell? I was thinking of exchanging it for the ding-dong bell. First because I already suspected it to be louder and second because the sound is a ding-dong instead of a tring-tring. In The Netherlands this sounds more like a bakfiets or other large bike.


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"...Each bell was rung a few times in succession, as you might if you thought you were about to collide with someone. ..."


Of course, if I thought I was about to collide with someone I wouldn't be able to operate the bell because both hands would be on the brakes, which is why the human voice works best in the real world. Also amongst real world traffic noise any bell is useless. The only practical technical alternative is probably something like the Air Zound.

Having said all that, I do carry bells on my bikes, if only to respond to pompous self-important types who invariably challenge with "Don't you have a bell!?" to which I can honestly reply "Yes thanks".

There was one occasion on our local bike path which demonstrated the fundamental uselessness of bicycle bells. My wife and I came up behind an elderly couple and associated small hairy dogs. We deliberately didn't call out and just trundled along behind them pinging the bells just to see what happened. After a couple of minutes we gave up and called out. After the standard "Don't you have bells!?" challenge, we replied "Yes, and we've been ringing them constantly for the past couple of minutes.". "Oh!" they replied, "We thought it was birds."


You can't win, but you can laugh.

WestfieldWanderer: I think the problem you were having was the usual one caused by British planners not actually knowing what a cycle path is. They often seem to think it's the same thing as a narrow walking path, and put both in the same place at the same time...


As for how useful bells are - I find they work very well. You might want something noisier for riding in heavy traffic, but to communicate with other cyclists and pedestrians I'd rather be a bit more friendly.

Very nice (especially the WMD6). I've been wondering how long till we have the MP3 downloadable bike-bell. I imagine "I'll get you my pretty, and your little dog, too".


Or perhaps, Jim Dale's rendition of Dolores Umbridge's "hem-ahem" (from Harry Potter, it's very good, though perhaps not so loud).

Regardless of which is actually loudest, the traditional bells win everytime for being just so pleasant & inoffensive.


The 'ping' bell is the standard fitment to most new bikes now in the UK, but is IMO just the cheapest token effort to get over legalities.


My Wifes Pashley came with the 80mm bell, and I think thats what I'll get for my Gazelle which is currently lacking in decibels - save for the squeaky drum brakes, just as they come to a stop :>D


Nice post. There's nothing wrong with a bit of geekery, and the recordings will make a great addition to your webshop.

I have the ding dong bell on my Pashley and to be honest it usually feels like an overkill. Most of the times I like to give just a little warning and instead what comes out sounds like "Get the ef out of my way, peasant!". However I found that if you just nudge the button halfway you only get the ding part which is quite acceptable. 

The classic bell however sounds best to me.

My Pashley has the "ding-dong" bell, which I use for warning pedestrians. I also wear my old Army whistle and use it on car drivers. Designed to be heard on a modern battlefield, the whistle is highly effective.

I have a classic brass bell on my big bike, and like the sound so much, sometimes I ring it just for the heck of it (when nobody is around). Unfortunately, it's too big to fit on my foldable bike. There I have a small Cateye bell; it looks like a tiny brass bell, but is pratically useless. Traffic noises and dog farts completely drown its sound. I also came across two instances of people standing in the middle of the path and I was ringing the brass bell constantly and they didn't even notice me; in the end I had to shout at them. Aliens, perhaps? When riding in traffic, it would be helpful to have some loud electronic noise-maker. Air horns are too bulky.

I'm proud to be a geek too! Understanding makes life interesting.


The ding-dong bell is fabulous. I recently rode a bike with one and it not only gets people's attention but it's not as 'aggressive' as most bells. It seems to make pedestrian's smile whereas the lound, single 'ping' bell seems to irritate.


As for the 'loudness' issue. If I'm close to people but I feel I need the bell, I dampen the sound with my finger on the bell and then ring it. It still is audible but it takes it down a notch.


Regards,


Paul Martin

Brisbane, Australia

...to communicate with other cyclists and pedestrians I'd rather be a bit more friendly.


It's sometimes difficult to tell which is more friendly, voice or bell. I've been chastised for using both: "How dare you ring that bell at me" type of attitude. From experience I've learned that friendly verbal warning is usually the best on, what as you rightly say, the appallingly designed British multi use paths.

I love my big ding-dong bell. I have almost one per bicycle.

I'm curious about how bells work on velomobiles. My rotovelo has no good way to mount a bell, the options being outside the bike where it can be heard which means it has to be next to my ear so I can reach it; or inside the bike where my hands are but it's almost inaudible.

The race kids use piezo horns but pedestrians here either ignore them or jump out of their skin. Neither really works as a bicycle bell.

I really should look around the interwebs for solutions, but I'm hoping you can point me at the one manufacturer whoe makes a bell designed to work through the skin of a velomobile.

Wilfred: The bells in Mangos are quite basic. They're quite similar to the 96 dBA "classic" bell in the test, but usually steel, which sounds not quite so nice as brass.


Dr2chase: I thought about doing something with a PIC playing samples for a "bell", but the problem is with making it anything like loud enough. With a small wide range 3" speaker you're lucky to have a sensitivity of more than 85 dBA from 1 W. To make the 110dBA peaks required to produce a convincing bell sound at a high enough volume to compete with an actual bell, you need a surprisingly powerful amplifier with 50 V power supply rails, and to use enough power that you'll probably damage the speaker itself. Resonant mechanical devices like bells have a huge advantage in making this much noise with minimal energy input.


Moz: The bell in the Mango and Quest is a normal bike bell (similar to the classic bell) with a hole drilled in the lever. There is a mount for the bell near the foot holes at the front of the frame and a piece of string runs from the handlebars down to the bell. That way it's nearer your feet than your ears, and close to the footholes so that the sound comes out better. It mostly works quite well, but it is a little quieter from outside than a bell on an open bike. That's why Wilfred is interested in a louder bell for his Mango.

My thought for the day is a doorbell. Ringing device on the inside, bell on the outside. The bike bell and string seemed like a good idea until I tried it (months ago), but I had to pull quite hard on my ding-dong bell to make it ring and couldn't get it to mount firmly enough to make me confident. Maybe I should try a smaller bell.

thanks for the info

When riding my bike I mostly pedal backwards or let my brake lever click back into the idle position. These are common bicycle sounds that do not disturb people, are not considered rude nor overly loud.

But they work, and in most cases they are louder than my bell.


But a good loud bell is very useful at times, specially if there is something about to go wrong. 

If you can not use your bell with both hands on the grips, your bell is in the wrong position. Only if you can brake with just one hand on the grip you can have your bell farther from that ideal position.

Like a car horn, a bicycle bell should not be about "get out of my way" but "here I am!" because a common target is a pedestrian who should always have priority (if not legal priority). Car horns get abused, so why do this with bike bells? Perhaps we need to aim towards "Lovely that I am passing you carefully. Have a nice day!"

I like the design of the turning bell, very neat. I have a ping bell but only as a momento of my trip to Amsterdam, much prefer to confirm that I am still human by calling out "good morning" or whatever is appropriate. 

It is a great feature of cycling that you can speak, even if briefly, to those you meet on your journey. Of course you can have a bell too.

Mark Garrett, Bristol, UK

Great post. I like the way you've displayed all your gear in the photo.


I'm so glad you managed to include the Ding-dong bell. Although I've never seen one for sale here in Australia, I do actually have one!

I came on a Chinese bike (a Pheonix)and it is the best sounding bell I've ever heard. 


The sound is deep and produces a note that is quite nice to hear.


When I release the leaver and the bell rings as the hammer returns to it's place it makes a different note to the first. (I guess this is why it's called a Ding-dong.... er now I get it...!)


If you've ever ridden on a tram in Melbourne Australia you'll recognize the sound immediately. 


I never thought I'd be so enthusiastic about a bell. 17dc91bb1f

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