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Lezyne Saddle StVZO – Compact Rear Light with Optional Brake Light Detection
Your rear light, your choice: The Lezyne Saddle StVZO impresses with its robust aluminum housing, 270° visibility and discreet mounting under the saddle. Both versions are approved for road use and can be conveniently recharged via USB-C. Choose between the classic rear light and the version with intelligent Ai Alert brake light detection.
Product Features:
- StVZO-approved for road use
- 270° wide-angle optics for enhanced side visibility
- Up to 40 lumens in standard lighting mode
- Optional Ai Alert brake light detection with up to 80 lumens in Alert mode
- Mounts under the saddle, leaving the seatpost free
- USB-C charging port and replaceable battery
Which Version Is Right for You?
| Feature | Without Ai Alert | With Ai Alert |
|---|---|---|
| Brake light detection | No | Yes, automatic |
| Light modes | 3 | 3 plus Ai Alert function |
| Light output in standard mode | Up to 40 lumens | Up to 40 lumens |
| Light output in Alert mode | – | Up to 80 lumens |
The difference: The version with Ai Alert detects deceleration and automatically adjusts its light output to alert following road users when you brake. The version without Ai Alert provides a classic rear light function with three lighting modes.
Technical Specifications:
- Light output: 15, 25 and 40 lumens
- Ai Alert mode: Up to 80 lumens, only on the Ai Alert version
- Runtime: Up to 14 hours
- Light modes: Blast, Economy and Femto
- Visibility: 270° wide-angle optics
- Battery: 1,100 mAh, replaceable
- Material: CNC-machined aluminum
- Water resistance: IPX7 (protected against temporary immersion in water)
- Weight: 73 g
Scope of Delivery:
- 1 × Lezyne Saddle StVZO rear light in the selected version
Note: A USB-C charging cable is not included.
Frequently Asked Questions About the Lezyne Saddle StVZO
What is the difference between the version with Ai Alert and the version without Ai Alert?
The Saddle StVZO has three standard lighting modes. The Ai Alert version also features intelligent brake light detection, which automatically adjusts the light output when deceleration is detected.
How does Ai Alert brake light detection work?
The integrated technology detects deceleration while riding and automatically switches to the more attention-grabbing Alert mode, which delivers up to 80 lumens.
Where is the rear light mounted?
Both versions mount under the saddle on the saddle rails, leaving the seatpost free. Before installation, check that the mounting system is compatible with your saddle.
How long does the battery last?
Runtime is up to 14 hours, depending on the selected mode. The integrated 1,100 mAh battery can be recharged via USB-C and replaced when necessary.
Is the rear light StVZO-approved?
Yes, both versions are approved for use on public roads in accordance with German StVZO regulations.
645 Tank Farm Road San Luis Obispo, CA 93401, US
Rolandstrasse 4, 14129 Berlin, DE
info@lezyne.com
Introduction video for Ai Alert
At the Bike-Packing Shop, we're a family-run business from the Westerwald region in Germany with a passion for bike travel. We carefully select products that help adventurous cyclists explore the world independently and achieve their cycling goals.
Sustainably packaged.
Nature is very important to us. That's why we avoid unnecessary plastic and rely on packaging material made of paper or cardboard. If your package does contain plastic filling material, this is material from our suppliers which we have reused.