Are you looking for an alternative method to the traditional chain and lock to protect your bikes? Then the solution for you could be the sound alarm if you do not know which anti-theft to choose for your bike.

Take a look at our guide that provides you with some useful information and compares the prices and reviews of the models in the ranking below, they are among the best sellers and appreciated on the market.

Right here are the best bike alarms with the latest and advanced features that are listed below.

RANK NO. 1
Wsdcam 113dB Bike Alarm Wireless Vibration Motion Sensor Waterproof Motorcycle...
  • Suitable for Bikes, Electric Bike, Motorcycles, Scooter, Car, Doors and Windows...
  • Vibration alarm, 7 level sensitivity adjustable
  • IP55 waterproof, suitable for outdoor use
  • Vehicle search function, easy to find your vehicle by 3 kinds of bells
  • Wireless control by remote, strong wireless range up to 66ft
RANK NO. 2
Wsdcam Bike Alarm with Remote 2 Pack, 113dB Wireless Anti-Theft Vibration...
  • [LOUD ALARM & ADJUSTABLE VOLUME] Up to 113dB LOUD alarm, scare off potential thieves effectively. Well-made alarm with great...
  • [ADJUSTBALE SENSITIVITY & WATERPROOF] 7 level adjustable sensitivity from gently touch to push or beat, easy to set it as your...
  • [REMOTE CONTROL] Wireless control by remote, strong wireless range up to 66ft. Vehicle search function, easy to find your vehicles...
  • [EASY TO INSALL & USE] Super easy installation by pasting with double-sided sticker or tying it with strap. Package Including: 2...
  • [MULTI-PURPOSE ALARM] Vibration triggered alarm suitable for Bikes, Electric Bike, Motorcycles, Scooter, Car, Trailer, Luggage,...
SaleRANK NO. 3
WSDCAM USB Rechargeable Bike Alarm with Remote, 110dB Loud Wireless Anti Theft...
  • USB RECHARGEABLE NO NEED REPLACE BATTERIES - The bicycle alarm is powered by a built-in rechargeable 4.2V 700mAh lithium battery...
  • 3 INSTALLATION METHODS SUITABLE FOR MORE PURPOSE - Come with mounting bracket, cable ties and double-sided tape for 3 installation...
  • ADJUSTABLE VOLUME & ADJUSTBALE SENSITIVITY - Up to 110dB LOUD alarm, scare off potential thieves effectively and give you good...
  • REMOTE CONTROL - Wireless control by remote, updated remote with strong wireless range up to 164~229ft. Vehicle search function,...
  • MULTI-PURPOSE ALARM - Vibration triggered alarm, incredibly useful antitheft products suitable for Bikes, Electric Bike,...
RANK NO. 4
USUPERINK 2 Set Wireless Bike Alarm with Remote, Anti-Theft Bicycle Motorcycle...
  • [Multipurpose Bike Alarm]Motion sensor bike alarm has great bike anti-theft function. Vibration trigger alarm is very suitable for...
  • [7 Levels Adjustable Sensitivity and SOS Emergency Alarm ]The 7 levels of sensitivity adjustable from gently touch to push or...
  • [3 Levels Adjustable Volume and IP55 Waterproof] Motorcycle bicycle anti-theft alarm has up to 113lb LOUD alarm, scare off...
  • [Wireless Remote Control ] SuperInk bike security alarm wireless control by remote, strong wireless range up to 20M/66FT. Vehicle...
  • [Easy to Install & Use]The bike vibration alarm come with double-sided sticker and strap, which can be installed by pasting or...
SaleRANK NO. 5
Wsdcam Bike Lock Alarm with Remote Universal Security Alarm Lock System...
  • Bike alarm lock triggered by vibration, deterring thieves effectively by 110dB loud alarm. Suitable for Bikes, Motorcycles,...
  • Alarm cable lock made of braided steel and PVC coating, more strong and durable. 0.39 inch cable diameter, 31.49 inch cable length
  • Keyless secure lock with advanced 4-digit combination lock, allowing up to 100,000 possible codes making it nearly impossible to...
  • Alarm lock with remote, remote control arm/disarm/vehicle search function, range up to 66ft
  • IP55 waterproof anti theft alarm lock, don’t worry about the alarm on rainy days
RANK NO. 6
Fosmon Anti Theft Burglar Bike Alarm with Remote, Waterproof Vibration Triggered...
  • [LOUD 113dB BIKE ALARM] Fosmon’s 113dB loud vibration bicycle alarm with remote control is a great tool to protect your bike...
  • [VIBRATION SENSOR AND SOS ALARM] When armed, this anti-theft bicycle alarm responds to vibration or being moved. You can manually...
  • [EASY TO SET UP] This anti-theft vibration alarm is easy to set up. First, determine the mounting surface and clean accordingly....
  • [MULTI-PURPOSE ALARM] Use this anti-theft alarm for a variety of purposes: as a luggage alarm, fence alarm, trailer alarm, and...
  • [LIMITED LIFETIME WARRANTY] This product comes with a limited lifetime warranty. Please refer to Fosmon’s website for more...
SaleRANK NO. 7
Upgraded Bike Alarm Waterproof with Remote, Vibration Motorcycle Bicycle/Door...
  • SUPER LOUD 113DB - Vibration triggering loud alarm to scare away thieves.Prevent Robbery and Door Prying.
  • ADJUSTABLE SENSITIVITY - High sensitive vibration sensor,7 level from gentle touch to push or beat.Adjustable volume.
  • EASY OPERATION - Control with updated remote(keyfob), searching vehicle and fall for help SOS function. Second remote ASIN...
  • EASY INSTALLATION FIRM AND WATERPROOF - No wiring, no screw,provide super strong adhesive tapes and cable tie for...
  • MINI SIZE - 3.7"*1.6"*0.8" exquisite and compact design, easy to hide and install, suitable for bike/car/motorcycle/door/moped...
RANK NO. 8
G Keni Smart Anti-Theft Bike Alarm, Bike Tail Light Rechargeable, Warning...
  • [ 4 LIGHT MODES & ADJUSTABLE BRIGHTNESS ] This bike alarm tail light have 4 light modes, Normal Flash/Breathing Flash/Fast...
  • [ ANTI-THEFT ALARM BIKE TAIL LIGHT ] The cycling security alarm can make a loud sound(105~115 decibels) to draw people's attention...
  • [ SMART BRAKE SENSING ] Designed with the brake sensor, Automatic ultra-bright brake light will automatically light up after...
  • [ AUTO ON/OFF for BATTERY SAVING ] This Smart bike tail light including Motion Sensor and Light Sensor, it will be auto off when...
  • [ OTHER FEATURES & WARRANTY ] 1, USB rechargeable. 2, 800mAh Super long battery life. 3, fast install. 4, High lumen brightness....
RANK NO. 9
WSDCAM Anti-Theft Bike Alarm with Mount, 113dB Burglar Vibration Motorcycle...
  • This bike alarm come with mounting bracket, adjustable ring size, more stably securely mount on your bike, no drop probability,...
  • Deterring thieves effectively up to 113 dB loud alarm, 3 lever adjustable volume, don’t worry about the alarm is extremely loud...
  • 7 level adjustable sensitivity from gently touch to push or beat. IP55 waterproof, suitable for outdoor use
  • Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice, wireless control by remote,...
  • Vibration triggered alarm suitable for Bikes, Electric Bike, Motorcycles, Scooter, Car, Trailer, Luggage, Doors and Windows...
RANK NO. 10
Electric Bike Bell Alarm Horn Waterproof with Remote Controller Anti-Theft...
  • 【Anti-Theft Alarm】If a thief touches or pushes the bike, the alarm will emit a rapid and continuous loud alarm when it is...
  • 【One-Click Bicycle Search】When your bicycle is parked in a large parking lot, you can use the equipped remote control to click...
  • 【Built in Lithium Battery】Come with USB charger, 5-6 hrs to full charge, which can work 20-30 days. Made of high quality...
  • 【Wide Use】This durable bicycle horn is easy to install and suitable for Electric bike, mountain bike, road bike, folding bike...
  • 【Adjustable Sensitive】3 levels adjustable sensitivity, you can easily set it up according to your need. Wireless remote...
RANK NO. 11
KCMYTONER Vibration Sensing Bike Alarm with Remote, 113db Loud Bicycle Alarm...
  • 【Multi-application】Can effectively prevent theft of bicycles. Vibrationaly triggered alarm suitable for bicycle, motorcycle,...
  • 【7 level djustable sensitivity 】7 level adjustable sensitivity from gently touch to push or beat, you can easily set it...
  • 【 Adjustable Volum and SOS function】Deterring thieves effectively by 113 dB loud alarm, adjustable Volum from 96dB, 105 dB to...
  • 【Easy Installation and Waterproof】Easy install, two install method: paste with double-sided sticker or tie it with strap. IP55...
  • 【Exquisite design】Item Size:3.7"*1.6"*0.8" inch,6 kinds bell sound can operate by remote control, easy to find the...

Everything You Need to Know About Bike Alarms

Mechanical

Let’s start from the description of the mechanical anti-theft devices (chains, cables, U-shaped anti-theft devices), which are the most common and economic ones.

If you are going to buy such a system, never just fix the frame to a pole because they could take away wheels and a saddle. On the contrary, never just set the wheel because you could find only the one on your arrival.

If you fix the bike to a pole too low, they can take everything away from you by simply lifting it.

Having said that, one of the safest of the mechanical anti-theft devices is the U-shaped one because it has a considerable diameter that the thief will never be able to scratch with a standard wire cutter.

Of course, it is more substantial, but it cannot be compared to the simple steel cable that everyone can cut in a few seconds: this is because the cable is almost never often enough, say 1 cm in diameter.

Since these are products that have an affordable price, the right solution is to buy them both U-lock and cable. Indeed, sometimes they are sold together so that the wheels can be tied together with the wire and the frame can be fixed to a pole with the U-shaped mechanism.

As for combination or key chains, the quality of the steel and the thickness of the links must be assessed: the most straightforward and cheapest models can be broken in in no time.

The sheath and the external coating hinder the action of the mitre saw but, in general, it must be said that there is no system that can resist the attack of a good grinder.

Alarm

Another type of burglar alarm is that with acoustic alarm. How does it work? It consists of two parts: the actual device that emits the sound and the remote control.

The device must be fixed under the seat, the remote control must instead be set to the handlebar but can be detached to always keep it with you at the bar while having coffee or queuing at the post office.

When the attacker approaches and tries to move the bike, the alarm is triggered immediately by alerting the owner or otherwise acting as a deterrent for the thief.

This sound is audible but lasts a few seconds, and it serves only as a warning. If the thief persists or decides to remove the device from the seat, the alarm sounds continuous, without stopping; the only way to disable it is from the remote control which can have a range of several tens of meters or even 100 meters.

Often these (waterproof) devices are multifunctional because they also act as a practical rear light and even a bell. Take a look below, find some such models.

Gps

For some cyclists, the best anti-theft brand is the one that makes GPS models, those that work in conjunction with a SIM and therefore with your mobile phone. By identifying a perimeter that the bike cannot pass, the owner is immediately notified when someone takes it away.

These devices have the appearance of a standard rear light which however hides the satellite device inside or can be inserted into the barrel of the bike and be completely invisible on the outside.

On the phone, the map appears with the coordinates that indicate where the bike is located with a margin of error of a few meters.

These alarms have autonomy of a few days, then they must be recharged and can also be used on motorcycles or cars, even merely to check the movements made by a person who does not necessarily have to be the thief.

The Most Advanced Models

Starting from the most common systems, the U-shaped mechanical hook is well known among bike owners because it is difficult to cut or break (with wire cutters or hacksaws).

The consistency of the diameter prevents its removal, and thanks to the particular shape you can fix the frame to the pole. If you have an even better steel cable, because in this way you can tie the wheels to the U-hook, attaching this to the mast: ideal double protection if you have to leave the bike unattended for a long time.

Another extremely advanced system is the sound system which plans to place the alarm under the seat (check the compatibility between the two elements), and this starts to sound (reaching 120 decibels) as soon as the attacker tries to take the bike away, moving it or lifting it.

The warning continues to be issued even if an attempt is made to remove the seat and can only be deactivated via the remote control which has a range of 100 meters.

But the functionality of this system does not end there: in fact, it also acts as a bell and rear light. Therefore it proves even more useful by protecting your safety when you are pedalling. You can charge it via USB, and you won’t have to be afraid to leave it exposed to water, because it’s waterproof.

Gps Anti-Theft

The system equipped with a GPS antenna is even more advanced than those described so far. In combination with a SIM card, the burglar alarm warns the owner as soon as the bike exceeds the preset range of meters and the map is sent to him, useful for reaching the thief and recovering the motorcycle.

From the outside the alarm looks like a traditional position light but can also be inserted inside the barrel of the bike, being invisible to foreign eyes: given its size, it is incredibly versatile, and you can also use it on the machine or provide it to a person as support in any awkward moments.

Useful Tips for Cyclists

Regardless of the protection system, always tie your bike to a rack, a pole or a tree, to make theft more difficult and complicated. Don’t just match the saddle or the wheel, as these are easily detachable components: by removing the motor or the seat, and the attacker can take the rest of the frame home.

Tie the pole or tree to several elements of the bike, to discourage the thief who immediately realizes the complexity of the situation.

If you don’t want to resort to technology and prefer to use a traditional chain, choose at least the one with a square section. Finally, we conclude this guide by reminding you that no method is infallible, but that having targeted measures is an excellent deterrent.

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