Zecto² Ai Alert Rear LED bike taillight with D-shape seatpost adapter rendering on a clean white background.

ZECTO² Ai ALERT REAR

$59.99
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Zecto² Ai Alert Rear LED bike taillight with D-shape seatpost adapter rendering on a clean white background.
  • Zecto² Ai Alert Rear LED bike taillight with D-shape seatpost adapter rendering on a clean white background.
  • Side-angle product rendering of the Zecto² Ai Alert Rear taillight showing its compact profile without adapter.
  • Front-facing product rendering of the Zecto² Ai Alert Rear LED bike light highlighting the lens optics.
  • Side-view rendering of the Zecto² Ai Alert Rear taillight mounted onto a commuter bicycle seatpost.
  • Side-view rendering of the Zecto² Ai Alert Rear bike light with the mounting adapter attached.
  • Zecto² Ai Alert Rear light unit and quarter-turn mounting components shown from the side.
  • Zecto² Ai Alert Rear taillight securely fastened to a seatpost using a quarter-turn mount and durable silicone O-ring.
  • Close-up shot of the Lezyne Zecto² Ai Alert Rear black bicycle tail light with multiple red LED lights illuminated, mounted on a black seat post against a blurred gray chain-link fence.
  • Bright Zecto2 Ai Alert Rear bike light active in low-light conditions, set against a dark tiled wall with red ambient lighting.
  • Zecto² Ai Alert Rear red LED bicycle tail light mounted on the seat post of a black bicycle in an outdoor setting at dusk with a blurred natural background.
  • Zecto² Ai Alert Rear LED bike taillight with D-shape seatpost adapter rendering on a clean white background.
  • Side-angle product rendering of the Zecto² Ai Alert Rear taillight showing its compact profile without adapter.
  • Front-facing product rendering of the Zecto² Ai Alert Rear LED bike light highlighting the lens optics.
  • Side-view rendering of the Zecto² Ai Alert Rear taillight mounted onto a commuter bicycle seatpost.
  • Side-view rendering of the Zecto² Ai Alert Rear bike light with the mounting adapter attached.
  • Zecto² Ai Alert Rear light unit and quarter-turn mounting components shown from the side.
  • Zecto² Ai Alert Rear taillight securely fastened to a seatpost using a quarter-turn mount and durable silicone O-ring.
  • Close-up shot of the Lezyne Zecto² Ai Alert Rear black bicycle tail light with multiple red LED lights illuminated, mounted on a black seat post against a blurred gray chain-link fence.
  • Bright Zecto2 Ai Alert Rear bike light active in low-light conditions, set against a dark tiled wall with red ambient lighting.
  • Zecto² Ai Alert Rear red LED bicycle tail light mounted on the seat post of a black bicycle in an outdoor setting at dusk with a blurred natural background.
ZECTO² Ai ALERT REAR

ZECTO² Ai ALERT REAR

SMART LED REAR BIKE LIGHT

$59.99
In stock
1-LED-34R-V204

Ride smarter and safer with the Zecto² Ai Alert Rear. Featuring AI-trained brake detection, this compact taillight automatically alerts traffic the moment you slow down. With up to 200 lumens of daytime flash and universal seatpost compatibility, it's the ultimate upgrade for your daily commute.

  • Advanced AI-trained brake detection technology
  • Alerts others of your presence when you need it most
  • Offers up to 200 lumens of brightness and up to 50 hours of runtime
  • Highly disruptive Daytime Flash mode for maximum daylight visibility
  • Water-resistant USB-C charging port (cable not included)
  • Compatible with most standard quarter-turn mounting systems
  • Fits most seatpost shapes and sizes (including round, D-shape, and aero profiles)
  • Rigorously tested to meet IPX7 waterproofing standards
  • 650 mAh battery capacity
  • User-replaceable battery design (compliant with EU Batteries Regulation 2023/1542)

LIGHT MODES

LIGHT MODES
Expanded Chart

PAIRS GREAT WITH
Product Specs
Max Lumens
200 lm
Max Runtime
50 hours
Battery Capacity
650 mAh
Recharge Type
USB-C
Compatibility
Quarter-Turn Mounting Systems
Features
Ai Alert, IPX7, Daytime Flash, Wide Angle Optics
Weight
66 g
Dimensions
25.4 × 46 × 47.2 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

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