Lezyne Saddle Ai Alert 250 Rear Rear Bike Light

Lezyne Saddle Ai Alert 250 Rear Rear Bike Light
15 reviews
59,95

  • Ordered before 22:00, delivered tomorrow
  • Free tracked delivery

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Pros & Cons

Pros & Cons

  • People behind you will know you're braking thanks to this light with AI braking technology.
  • You'll be clearly visible even in places that aren't well lit, with this light's maximum output of 250 lumens.
  • At the lowest mode, this rear light lasts for an impressive 60 hours.
  • This bike light will work just fine in the rain: you can even submerge it.
  • This light is USB-C rechargeable.
  • You can't secure this light around your seatpost.
Read more on what our customers have to say about this product

Specifications

Specifications

Brand Lezyne
Light Output in Lumen Being seen in limited lighted environment: 100 - 400 lumen
USB rechargeable Yes, USB-C
Compatibility Yes, with Lezyne Smart Connect app
Max. Battery Life highest mode 15 hours
Max. battery Life lowest mode 60 hours
Flashing Mode Yes
Lateral visibility Good
Brake light feature Yes
All specifications

Reviews

Reviews

4.4 / 5
Average from 15 reviews
5
12 reviews
4
1 review
3
0 reviews
2
0 reviews
1
2 reviews

Photos from customers


Most recent reviews

5 / 5

Great...I'm thrilled! Works perfectly, reliably and for a very long time!

- Chroph 13 February 2026

Expectations and product description absolutely exceeded

Automatic translation

1 / 5

Should be 20€ max, or 30€ with auto on off. it was over 50€...

- Manuel 7 February 2026

I thought it was auto on-off, i though leds would be all put in a circular way with no weird spaces in between

Pros & Cons

usb-c charge
Very bright
AliExpress old model costs 18€ & it's better
Big and bulky
Easy to steal with a wrench
Expensive, no auto on off
ugly green side light

5 / 5

Top product

- Michael 17 January 2026

I've always used the German manufacturer for lights for outdoor activities, but unfortunately the only thing I can't manage is the rear light in terms of visibility during the day. Especially on mountain passes or winding roads........ Now I have found a super lamp that will hopefully last a long time.

Automatic translation

5 / 5

Best rear light

- Anja 3 January 2026

Excellent illumination. I have been riding my MTB 3 times a week all year round for over 10 years. It couldn't be simpler or better. Suitable light modes for all weather conditions. The brake light cannot be overlooked when slowing down. Absolutely superb.

Automatic translation

5 / 5

Best rear light

- Anja 3 January 2026

Excellent illumination. I have been riding my MTB 3 times a week all year round for over 10 years. It couldn't be simpler or better. Suitable light modes for all weather conditions. The brake light cannot be overlooked when slowing down. Absolutely superb.

Automatic translation

5

Chroph, 13 February 2026

Great...I'm thrilled! Works perfectly, reliably and for a very long time!

Expectations and product description absolutely exceeded

Automatic translation

1

Manuel, 7 February 2026

Should be 20€ max, or 30€ with auto on off. it was over 50€...

I thought it was auto on-off, i though leds would be all put in a circular way with no weird spaces in between

  • usb-c charge
  • Very bright
  • AliExpress old model costs 18€ & it's better
  • Big and bulky

5

Michael, 17 January 2026

Top product

I've always used the German manufacturer for lights for outdoor activities, but unfortunately the only thing I can't manage is the rear light in terms of visibility during the day. Especially on mountain passes or winding roads........ Now I have found a super lamp that will hopefully last a long time.

Automatic translation

5

Anja, 3 January 2026

Best rear light

Excellent illumination. I have been riding my MTB 3 times a week all year round for over 10 years. It couldn't be simpler or better. Suitable light modes for all weather conditions. The brake light cannot be overlooked when slowing down. Absolutely superb.

Automatic translation

5

Anja, 3 January 2026

Best rear light

Excellent illumination. I have been riding my MTB 3 times a week all year round for over 10 years. It couldn't be simpler or better. Suitable light modes for all weather conditions. The brake light cannot be overlooked when slowing down. Absolutely superb.

Automatic translation

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Frequently bought together

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Previous lowest price 69,95 59,95

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Lezyne Saddle Ai Alert 250 Rear Lezyne Strip Drive Pro 400+ Lezyne Strip Pro Ai Alert 400+ Garmin Varia RCT715 Radar
15 reviews 24 reviews 10 reviews 4 reviews
Light Output in Lumen Being seen in limited lighted environment: 100 - 400 lumen Being seen in limited lighted environment: 100 - 400 lumen Being seen in limited lighted environment: 100 - 400 lumen 65 lumen
USB rechargeable Yes, USB-C Yes, USB-C Yes, USB-C Yes, USB-C
Compatibility Yes, with Lezyne Smart Connect app None None Yes, with cycling navigation with Bluetooth/ANT+ / Yes, with Garmin Varia app
Max. Battery Life highest mode 15 hours 5,5 hours 5,5 hours 5 hours
Max. battery Life lowest mode 60 hours 80 hours 80 hours 6 hours
Flashing Mode Yes Yes Yes Yes
59,95 44,95 54,95 349,-
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All specifications

General

Brand
Lezyne
Compatibility
Yes, with Lezyne Smart Connect app
Lateral visibility
Good
Radar feature
Rear light with radar function
Camera function
No camera function
Mounting location
Under the saddle
Colour
Black
Weight
73 grams
Light Type
Detachable light
Mount(s)
Clip

Power supply

USB rechargeable
Yes, USB-C
Max. Battery Life highest mode
15 hours
Max. battery Life lowest mode
60 hours
Power Source
Internal Battery

Connectivity

Connector plug
USB-C

Functions

Flashing Mode
Yes
Brake light feature
Yes
Daytime running lights
Yes
Number of Modes
7
Smart Bike Light
Yes

Lighting

Light Output in Lumen
Being seen in limited lighted environment: 100 - 400 lumen
Water resistance
IPX7: immersion-proof
Amount of lumen
250

Certifications

StVZO certification
No

All specifications

Brand
Lezyne

General

Compatibility
Yes, with Lezyne Smart Connect app
Lateral visibility
Good
Radar feature
Rear light with radar function
Camera function
No camera function
Mounting location
Under the saddle
Colour
Black
Weight
73 grams
Light Type
Detachable light
Mount(s)
Clip

Power supply

USB rechargeable
Yes, USB-C
Max. Battery Life highest mode
15 hours
Max. battery Life lowest mode
60 hours
Power Source
Internal Battery

Connectivity

Connector plug
USB-C

Functions

Flashing Mode
Yes
Brake light feature
Yes
Daytime running lights
Yes
Number of Modes
7
Smart Bike Light
Yes

Lighting

Light Output in Lumen
Being seen in limited lighted environment: 100 - 400 lumen
Water resistance
IPX7: immersion-proof
Amount of lumen
250

Certifications

StVZO certification
No