Lezyne KTV PRO+ Ai ALERT REAR bike light

KTV PRO+ Ai ALERT REAR (2026)

$49.99
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Lezyne KTV PRO+ Ai ALERT REAR bike light

KTV PRO+ Ai ALERT REAR (2026)

REAR BIKE LIGHT WITH SMART BRAKE SENSING TECHNOLOGY

$49.99
In stock
1-LED-35R-V404

The KTV PRO+ Ai ALERT REAR combines a compact, minimalist design with advanced AI-trained brake detection technology. Its wide-angle output provides up to 270° of visibility, while the versatile rubber-ring mount ensures a secure fit across most seat post shapes and sizes.

  • Max 150 lumens / 28 hours
  • Advanced Ai-trained brake detection technology.
    Alerting others of your presence when you need it most.
  • Highly compact, rugged co-molded construction
  • Wide Angle Optics for up to 270° of visibility.
  • Minimalist, secure O-ring mounting system.
  • Compatible with most seat post shapes and sizes. (round, D shape, and aero)
  • Rigorously tested to IPX7 waterproof standards.
  • Water-resistant USB-C charging port. (cable not included)
  • 400 mAh battery capacity.
  • User-replaceable battery design. (EU Batteries Regulation (2023/1542))

Note: This light is not approved for use under StVZO regulations in Germany. USB-C cable not included.

LIGHT MODES

LIGHT MODES
Expanded Chart

PAIRS GREAT WITH

Product Specs
Max Lumens
150 lm
Max Runtime
28 hours
Battery Capacity
400 mAh
Recharge Type
USB-C
Features
IPX7, Wide Angle Optics, Ai Alert
Weight
32.6 g
Dimensions
39.9mm 25.2mm, 55mm
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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