Smart taillight alarm - BikeGuard
4.8 / 5.0 (2613+ certified reviews)



Cycling is not just a hobby, but a way of life. Unfortunately, the fear of bike theft can sometimes spoil the fun. Even the best bike locks are not always equipped to withstand modern tools, which can lead to frustration and disappointment.
This is where the BikeGuard Smart Rear Light Alarm comes in. This innovative 5-in-1 rear light, equipped with an integrated alarm function, offers you safety and protection for your valuable bicycle. As soon as a thief touches your bike, a loud alarm sounds, which not only deters the culprit but also alerts passersby. With BikeGuard, you can enjoy worry-free cycling, knowing that your bike is safe.
Why BikeGuard is your ideal protection:
✔️ Theft protection: Thanks to the integrated vibration sensor, BikeGuard triggers a deafening 110 dB alarm in the event of suspicious movement. This deters thieves and draws the attention of passersby to the situation.
✔️ Powerful rear light: With 31 LED lights and 6 lighting modes, BikeGuard ensures that you remain visible from up to 45 meters away – even in fog, rain, or darkness.

✔️ Turn signals: With the wireless remote control, you can easily control the turn signals so that you can communicate safely and clearly with other road users.
✔️ Weather-resistant: BikeGuard was designed to withstand extreme weather conditions. It is waterproof, wind-resistant, and works even in sub-zero temperatures.
below zero.

✔️ Energy-efficient: Simply charge the BikeGuard via USB and enjoy up to 70 hours of battery life on a full charge.
✔️ Automatic brake light: The rear light reacts immediately when braking and emits a bright warning signal, allowing following road users to react in time.

How to set up BikeGuard:
- Press the lock button until you hear a beep.
- Wait 3 seconds for a second beep.
- Your BikeGuard alarm is now activated and ready to protect your bike.
Product details:
- Theft alarm: 7 adjustable sensitivity levels, 110 dB siren
- Bike horn: 3 unique tones
- Battery: 3.7 V lithium battery, up to 70 hours of operating time
- Rear light: 6 lighting modes, maximum brightness of 160 lumens
- LEDs: 31 powerful LEDs
- Water resistance: IP65 waterproof
- Weight: 0.29 kg
Package contents:
- 1x BikeGuard Smart Rear Light Alarm
- 1x Rear light mount
- 1x Wireless remote control
- 1x Remote control mount
- 1x USB charging cable
- 1x User manual
With BikeGuard, you can make sure your bike is always protected, so you can travel worry-free!
We strive for a simple ordering and delivery process. Ordered before 23:00? Shipped today.
As soon as the package has been shipped, you will receive the tracking information. You can return your order within 14 days of receipt. Put the products in the shopping cart and follow the steps for payment and shipping. Always check your details. All shipments are free, and we cover the shipping costs.
We guarantee a secure payment environment with SSL encryption. Customers in Germany can pay with Klarna, PayPal, credit card, and Sofort. If you have any problems, please contact our customer service.
3.7 V lithium battery, up to 70 hours battery life
7 adjustable sensitivity levels, 110 dB theft alarm siren
3 unique bicycle horn sounds
Same-day shipping
Order before 23:00
Easy returns
Free returns
30-day window
Secure payment
SSL encrypted
We offer free shipping including tracking for all orders. As soon as your package has been shipped, you will automatically receive a tracking number.
You have 30 days to return your order. The products must be unworn and in their original packaging. Contact our customer service for an easy return process.
✔️ Anti-theft protection — Thanks to the integrated vibration sensor, BikeGuard triggers a deafening 110 dB alarm when it detects suspicious movement. This deters thieves and alerts passersby to the situation.
✔️ Powerful rear light — With 31 LED lights and 6 lighting modes, BikeGuard ensures that you remain visible from up to 45 meters away—even in fog, rain, or darkness.
✔️ Turn signals — With the wireless remote control, you can easily control the turn signals so you can communicate safely and clearly with other road users.
✔️ Weather-resistant — BikeGuard is designed to withstand extreme weather conditions. It is waterproof, wind-resistant, and works even in sub-zero temperatures.
below zero.
✔️ Energy-saving — Simply charge the BikeGuard via USB and enjoy up to 70 hours of battery life on a full charge.
✔️ Automatic brake light — The rear light reacts immediately when braking and emits a bright warning signal, allowing following road users to react in time.
Press the lock button for a beep.
Theft alarm: 7 adjustable sensitivity levels, 110 dB siren
Bicycle horn: 3 unique tones
Battery: 3.7 V lithium battery, up to 70 hours of operating time
Rear light: 6 light modes, maximum brightness of 160 lumens
LEDs: 31 high-powered LEDs
Water resistance: IP65 waterproof
Weight: 0.29 kg
Cycling is not just a hobby, but a way of life. Unfortunately, the fear of bike theft can sometimes spoil the fun. Even the best bike locks are not always equipped to withstand modern tools, which can lead to frustration and disappointment.
This is where the BikeGuard Smart Rear Light Alarm comes in. This innovative 5-in-1 rear light, equipped with an integrated alarm function, offers you safety and protection for your valuable bicycle. As soon as a thief touches your bike, a loud alarm sounds, which not only deters the culprit but also alerts passersby. With BikeGuard, you can enjoy worry-free cycling, knowing that your bike is safe.
Why BikeGuard is your ideal protection:
✔️ Theft protection: Thanks to the integrated vibration sensor, BikeGuard triggers a deafening 110 dB alarm in the event of suspicious movement. This deters thieves and draws the attention of passersby to the situation.
✔️ Powerful rear light: With 31 LED lights and 6 lighting modes, BikeGuard ensures that you remain visible from up to 45 meters away – even in fog, rain, or darkness.

✔️ Turn signals: With the wireless remote control, you can easily control the turn signals so that you can communicate safely and clearly with other road users.
✔️ Weather-resistant: BikeGuard was designed to withstand extreme weather conditions. It is waterproof, wind-resistant, and works even in sub-zero temperatures.
below zero.

✔️ Energy-efficient: Simply charge the BikeGuard via USB and enjoy up to 70 hours of battery life on a full charge.
✔️ Automatic brake light: The rear light reacts immediately when braking and emits a bright warning signal, allowing following road users to react in time.

How to set up BikeGuard:
- Press the lock button until you hear a beep.
- Wait 3 seconds for a second beep.
- Your BikeGuard alarm is now activated and ready to protect your bike.
Product details:
- Theft alarm: 7 adjustable sensitivity levels, 110 dB siren
- Bike horn: 3 unique tones
- Battery: 3.7 V lithium battery, up to 70 hours of operating time
- Rear light: 6 lighting modes, maximum brightness of 160 lumens
- LEDs: 31 powerful LEDs
- Water resistance: IP65 waterproof
- Weight: 0.29 kg
Package contents:
- 1x BikeGuard Smart Rear Light Alarm
- 1x Rear light mount
- 1x Wireless remote control
- 1x Remote control mount
- 1x USB charging cable
- 1x User manual
With BikeGuard, you can make sure your bike is always protected, so you can travel worry-free!
We strive for a simple ordering and delivery process. Ordered before 23:00? Shipped today. Once the package has been shipped, you will receive the tracking information. You can return your order within 14 days of receipt. Add the products to the cart and follow the steps for payment and shipping. Always check your details. All shipments are free, and we cover the shipping costs. We guarantee a secure payment environment with SSL encryption. Customers in Germany can pay with Klarna, PayPal, credit card, and Sofort. If you have any problems, please contact our customer service.