SADDLE Ai ALERT 250 REAR
SADDLE Ai ALERT 250 REAR
REAR BIKE LIGHT WITH SMART BRAKE SENSING TECHNOLOGY
- Advanced taillight with Ai Alert brake-sensing technology
- Intelligently detects deceleration and changes output mode to alert others that you’re slowing down
- Highly visible saddle-mounted rear light
- Max 250 lumens in Active Alert mode or up to 60 hours of runtime in Femto mode
- 7 combined solid and flash output modes, including the highly disruptive Day Flash mode
- Fully CNC-machined aluminum construction
- Wide Angle Optics provide 270° of visibility
- USB-C charging (cable not included)
- Rigorously tested to IPX7 waterproofing standards
- 1100 mAh battery capacity
Introducing the future of bike light technology: Ai Alert. Combining artificial intelligence with our advanced ALERT rear lights, Ai Alert delivers one of the safest and most advanced cycling brake lights on the market.
The light automatically detects deceleration events and intelligently changes its output to Active Alert—a rapid 250-lumen flash brake light mode that signals braking to traffic and fellow cyclists, enhancing rider visibility and safety.
*Ai Alert lights come pre-programmed and do not collect rider data.
The Saddle Ai Alert 250 Rear is a premium, highly visible saddle-mounted rear bike light featuring advanced Ai Alert brake-sensing technology. It is equipped with 10 super-bright LEDs that provide a beam pattern optimized for effective light dispersion, even in challenging conditions.
Its fully CNC-machined aluminum construction and Wide Angle Optics provide 270° of visibility. Seven combined solid and flash output modes range from the eye-catching 250 lumens emitted in both Active Alert and Day Flash modes to an impressive runtime of up to 60 hours in Femto mode.
Rigorously tested to IPX7 waterproofing standards, the Saddle Ai Alert 250 Rear is built to perform in demanding weather conditions. It features an 1100 mAh battery and can be easily unscrewed from the saddle-mounted body for quick and convenient USB-C charging access. Cable not included.
Experience the next generation of bicycle light safety and visibility with the advanced Ai Alert brake-sensing technology of the Saddle Ai Alert 250 Rear.
Note: This light is not approved for use under StVZO regulations in Germany. USB-C cable not included.
LIGHT MODES
PAIRS GREAT WITH
Product Specs
- Max Lumens
- 250 lm
- Light Modes
- 7
- Max Runtime
- 60 hours
- Battery Capacity
- 1100 mAh
- Recharge Type
- USB-C
- Features
- IPX7, Daytime Flash, Alert
- Weight
- 73 g
- Dimensions
- 62.3 × 57.6 × 32 mm
Warranty
We stand behind the quality of every Lezyne product. Our warranties cover manufacturing defects for the original owner with proof of purchase:
- GPS devices: 1 year
- LED lights: 2 years; batteries: 6 months
- Hard goods: 2 years
- Soft goods: 1 year
Normal wear and tear, improper installation, accidents, misuse, neglect and modifications are not covered. Customers in the United States should contact Lezyne Support before returning an item. Customers outside the United States should contact the original retailer or local Lezyne dealer.
Shipping
We’ll get your order on its way as quickly as possible. Orders placed Monday–Friday before 2 PM ET (11 AM PT) typically ship the same business day; later orders ship the next business day. Once shipped, you’ll receive a confirmation email with tracking details. Delivery times vary by location. Please note that orders are not shipped or delivered on weekends or holidays.
Return policy
We want you to be happy with your purchase. Unused items in their original packaging can be returned within 30 days with proof of purchase. Sale items are final sale, and return shipping costs are the customer’s responsibility. Need help with a return or defective item? Contact us at usa-sales@lezyne.com