I've had a Delta AirZound bike horn since 2012. I chose it because it is both loud and low-pitched, similar to a car horn. Small electric horns can't produce a sound which is both loud and low-pitched – it's physics, they can produce a loud and high-pitched sound, or a low-pitched sound which isn't loud and therefore worthless as a bike horn. I have small electric horns on some of my bikes which are amazingly loud (albeit high-pitched) but on any bike on which I can easily fit one, I install a Delta AirAirZound. Nothing else I have tried comes close to getting the attention of motor vehicle operators. I don't know if it's saved my life but it's definitely saved me from getting hit a few times when a distracted driver slammed on the brakes or otherwise took evasive action when hearing the AirZound horn.(I have not yet tried the Loud Bike Horn Mini, a battery-powered horn which produces a sound which is both loud and low-pitched like a car horn. It is large, it is expensive, and the battery requires frequent recharging. It is tempting, though, for those bikes which will not easily fit an AirZound.)The Airzound is easy to install: Find a place on your handlebars with enough room for the trigger and horn combination (this is the hard part for some bikes) and in a place where you can easily reach the trigger. Then put the air reservoir (the bottle) into one of your bottle cages. You can also use velcro or tape or other methods to put the reservoir in a convenient location. The air hose between the reservoir and the horn is pretty long but you can purchase an extension if you need more length.Then pump it up! The Airzound has a Schrader valve underneath the plastic trigger button. Flip up the plastic trigger, attach your pump, and add air until you reach 80PSI. Do not go much over 80 PSI! The bottle won't burst but the various seals on the bottle and inside the horn itself are not designed for higher pressure. If you overpressure the reservoir the seals will eventually begin to leak which means the AirZound won't hold pressure for very long. My first AirZound is over 6 years old and the seals are still perfect even through hot 7 hot summers and 6 cold winters so far.It's possible to adjust the volume of the horn with a little plastic dial but even at its lowest volume it is still pretty loud, far too obnoxious to use on pedestrians or other cyclists. Get a fun squeeze-bulb horn or a bell to use in most situations. But when you need to get the attention of a motor vehicle operator or some booby jogging backward with a pair of earbuds blasting his cranium, well, give 'em a blast of the AirZound – that's what it's for.I've never run out of pressure during a single ride. I suppose it's possible but I do ride on NYC streets and it hasn't been a problem. I am quite disciplined about checking the pressure at least once a week and adding some pressure after a ride if I used the AirZound at all. If you check and top off the pressure of your tires every couple of days just add the AirZound to that routine and you should be fine.The biggest problem is usually finding a place to mount the horn itself. The trigger is integrated into the horn, it cannot be separated. The horn isn't huge but it does require some space and must face forward to be useful plus you can't put it in a spot where it will blast into your own ear when you're riding; your bike might not have a good spot to mount it. And of course, since you will want to easily use the AirZound in an emergency situation, the horn has to be mounted in such a way that the trigger can be used when you're in panic mode – it you have to reach for it or it's in an awkward spot, it's not going to do you much good.I wish Delta would produce a version of the AirZound with a remote trigger of some sort. Being able to mount the horn in one spot and the trigger in another (right under where I rest a thumb on the handlebars) would allow me to put an AirZound on any bike rather than just a few.Recently, my 6-year-old AirZound's plastic trigger/cap broke. I was able to hold it together with some tape but really needed a replacement. I wrote to Delta and they sent me two replacement trigger/caps and these trigger/caps have a new design which is both simpler and less likely to become damaged over long term use. That's great customer service and it's nice to see the product is receiving continued development.

I purchased this item for my amazing 76 year old Grandma who commutes to work and well everywhere on her bicycle. She found that LA drivers were clueless and close to killing her on a few occasions and asked me to find a horn. I needed to find a horn that was 1) easy to use 2) theft resistant 3) easy to maintain and reliable, such as easy battery change, water proof, etc. I asked a couple questions to the buyers here on amazon and got all the answers I need before my purchase.My Grandma has a 26in townie electra and the tube is long enough to reach the bottle holder BUT the air bottle is small and rattled around and the slight hook on the bottle holder make it fit kinda wonky so my husband used the zip ties to strap it directly under the bottle holder, where it fits like a glove and could easily route the tube with the break tubes already in place. We put the botton on the thumb side of the left grip and its easy to push in a panic or to alert a comatose la driver busy texting. As suggested by a amazon reviewer we also used epoxy on the screw hole to make it more theft proof.My Grandma has been using it for days now and had no trouble using the air pump at a local gas station to refill it. It is a true air horn so nobody can deny my Granny the right of way. She is safe and extremely happy with the ease of use and reliability. Since there are no batteries we don't have to worry about them corroding in the beach breeze or them going dead when you need them most.Over all this horn is literally a life saver and I recommend it to ANYBODY who rides in traffic prone cities.EDIT:After 3 theft attempts the horn finally was broken. The first and second thief managed to push it around but not remove it or damage it at all. But the 3rd thief was vicious. They managed to rip at it enough to cause it to stop working. Either way, They horn stood up beautifully under a lot of pressure. Without the horrible people trying to steal it I'm sure it would have lasted the test of time.

My wife, who is disabled, needs help getting out of the shower. This baby is loud enough to hear anywhere in a large house. You'll want an electric tire pump or air compressor to fill it though.

I covered the gray tubing with some 1/4" split loom for better aesthetics, and just tossed the canister in my AMYET bag. This thing is great! I used my cordless air pump and away ya go!

Imagine having to deal with pedestrians. That word alone already gives me frustrations and seeing how loud my friend's example is I decided to get one so I can piss off those who piss me off. However, it is so loud that prolonged horning can cause hearing loss to even the user, so it will be a last resort.

Luide hoorn, eenvoudig te monteren op de fiets. Voldoende installatiemateriaal meegeleverd (tie-wraps, velcro, ...). Slang lang genoeg om fles in onderste drinkfleshouder te steken. Klein minpuntje: de slang zit al door de krul van de hoorn (voor mijn configuratie net aan de verkeerde kant), om dit helemaal netjes te krijgen, moet je de slang demonteren, daar begin ik niet aan.

I bought this after trying numerous bike horns- Including electric ones, and I have to say this is amazing. I have used this numerous times to stop cars which haven’t seen me when cycling! It is effective every time.Pros: Extremly loud easily gaining the attention of car users.Cons: For a bike horn- it is relatively large and obviously requires you having the bottle like compressed air container on the bike, which looks fine but is still quite large when looking at the bike. Also needs topping up after about 6-7 seconds of use- but this is very simple and easy with a standard bike pump it takes only a matter of about 20 seconds.

Bardzo polecam ten produkt i sprzedawcę. Przyszło szybko, montaż łatwy. Świetnie się sprawdza na drodze. Piesi w końcu słyszą, że nadjeżdżam 😁

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