SKU: 53243142661

LEZYNE KTV PRO+ AI ALERT REAR LED LIGHT

$267.75 $297.50
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 19 - Aug 24

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Description

LEZYNE KTV PRO+ AI ALERT REAR LED LIGHTAdvanced taillight with "Ai Alert" brake sensing technology Intelligently detects deceleration and changes output mode alerting others you're slowing down Max 150 lumens or 20 hour runtime in Femto mode 6 combined solid and flash output modes including Highly disruptive Day Flash mode Lightweight and durable co molded design Wide Angle Optics provide 270 of visibility Aero and round seat post compatible Includes versatile silicone rubber mounting

  • Advanced taillight with "Ai Alert" brake-sensing technology
  • Intelligently detects deceleration and changes output mode alerting others you're slowing down
  • Max 150 lumens or 20-hour runtime in Femto mode
  • 6 combined solid and flash output modes including Highly disruptive Day Flash mode
  • Lightweight and durable co-molded design
  • Wide Angle Optics provide 270° of visibility
  • Aero and round seat post-compatible
  • Includes versatile silicone rubber mounting strap
  • Integrated rechargeable USB stick for cable-free recharging
  • Rigorously tested to IPX7 Waterproofing standards
  • 400 mAh battery capacity

Introducing the future of bicycle light technology - Ai Alert. Combining Artificial Intelligence with our advanced ALERT rear tail lights to bring you the most accurate cycling brake light on the market.

The light automatically detects brake events and intelligently changes output mode to Active Alert - a rapid 150-lumen flash "brake light" mode; signaling deceleration, effectively communicating your actions to traffic and fellow cyclists, enhancing rider visibility and safety.

*Ai Alert lights come pre-programmed and do not collect rider data.

The KTV Pro+ Ai Alert Rear is a premium, highly visible rear taillight combined with advanced Ai Alert technology.

Equipped with super-bright LEDs providing a beam pattern optimal for light dispersion in even the most challenging conditions. The lightweight and durable co-molded construction with wide angle optics for 270° of visibility, offers 6 combined solid and flash output modes- from the attention-grabbing max 150 lumens emitted in both Active Alert and Day Flash modes to the impressive 20 hours of runtime in FEMTO mode.

A versatile silicone rubber mounting strap attaches to aero or round seat posts. Rigorously tested to IPX7 Waterproofing standards to ensure functionality in the toughest weather conditions.

The rear bike light also features a 400 mAh battery capacity and an integrated USB stick allows convenient cable-free recharging.

Experience the next generation in cycling light safety and visibility with the KTV Pro+ Ai Alert Rear's advanced Ai Alert technology.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53243142661

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4.3 ★★★★★
Based on 10 reviews
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Product Reviews
A
Verified Purchase
Amy
Los Angeles, US
★★★★★ 5
Great Chair
Color: Black, Style: Classic
The durability, recline, noise, fit, and appearance, and stability of the chair were all fantastic. As someone of a shorter height, the backrest which is normally way to high or short for my head fits perfectly. The chair itself is easy to assemble and very comfortable to sit in for long hours. I tend do a lot of work at home and this chair feels very comfortable without feeling the need to get up. The chair looks great set up in my office and is honestly a great office chair. For moving around a room, the wheel guides across my carpet very smoothly with struggling unlike my previous chair which would need a heavy push. Not only that, the chair is noiseless which is a plus for people who get bothered by little sounds when moving around. The fit could honestly fit anyone of any size as the chair itself is quite wide and roomy for me. The seat is also made up of faux leather and feels well stitched and quite durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
T
Verified Purchase
Texgun
Cuba, US
★★★★★ 4
Decent Price
Color: Black, Style: Classic
Chair arrived and was missing critical component so that I could not assemble it. Contacted seller and they sent me a similar component within 2 weeks. Chair was now easy to assemble and very comfortable to use for long periods. Although I wished it could raise another two inches. Also be aware chair might be challenging to get thru a standard 29-30inch doorway but not impossible. Thank You Seller for your help.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 23, 2025
L
Verified Purchase
Lisa
Dallas, US
★★★★★ 5
Easy installation and comfortable
Color: Black, Style: Classic, Color: Black, Style: Classic
This chair features a premium, quilt-stitched design with thick cushioning that immediately feels supportive. Installation is straightforward — the major components align cleanly, and the hardware fits without forcing, allowing the entire setup to be completed quickly. Once assembled, the chair provides excellent comfort: the padded headrest, wide seat, and soft armrests create a stable, ergonomic sitting experience suitable for long work sessions. The overall build feels solid, and the smooth-rolling casters add to the ease of use.
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Reviewed in the United States on April 19, 2026
A
Verified Purchase
Adyelle
Birmingham, US
★★★★★ 3
Seat angle problem
Color: Black, Style: Classic
This chair is very good. Has exactly the dimensions I was looking for. Overall it looks very well made, excellent quality, easy to install. I'm not giving it 5 starts because I'm not liking the angle of the seat very much. It goes low at the back end and at the front it is very high. It feels really good when I'm working on my computer where I have 1 widescreen monitor with 2 smaller ones on top, so it is very comfortable there. But not so much when I'm just working on my desk filling forms and reading papers. I'm actually getting low back pain. I wrote the seller to ask if there is any kind of adjustment I can make but it doesn't look to me like there is anything than can be done. I'm still keeping it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
E
Verified Purchase
Essell
West Palm Beach, US
★★★★★ 5
Most comfortable office chair this fluffy guy has ever sat in.
Color: Black, Style: Classic
This chair is incredibly comfortable—easily the most comfortable one I’ve ever sat in. At around 300lbs, I’ve struggled to find a chair that’s both supportive and spacious. Most options feel tight, with the armrests pressing into my hips. Not this one. If anything, I feel small in it—there’s plenty of room on either side. It’s like going from a cramped budget airline seat to first class on a full-service carrier. The lumbar support is the best I’ve ever used. The materials are top-notch—everything from the base to the legs to the casters is metal (feels like steel). The casters themselves use what look like inline skate wheels and glide effortlessly across carpet—almost too well on hard surfaces, so you might want to consider a rug. Not a flaw, just something to keep in mind. I’ve paid twice as much for chairs that felt half as good, so in my opinion, this is an excellent value. The faux leather looks great and the stitching appears durable. While it may not last as long as real leather or high-quality fabric, it should hold up for a reasonable amount of time. Tilt functionality is basic—just two settings: upright or slightly reclined. Honestly, that’s all I need. If you’re looking for something to nap in, this might not be the chair for you. But for office work or gaming, it absolutely delivers all-day comfort. For reference, I’m 5'8", and the headrest aligns perfectly with the back of my head. If you're 6'5", it might end up being more of a neck rest. And I have to give a special shoutout to the included T-shaped hex wrench. It may sound silly, but this alone earns it a 5-star review from me. Every other chair I’ve bought includes those awful angled hex wrenches that make you slam your knuckles into the frame with every turn—often accompanied by some colorful language. Sure, I have my own tools, but finding where my wife hid them isn't always easy. A good-quality tool in the box? That’s thoughtful and appreciated.
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Reviewed in the United States on June 19, 2025

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