---
product_id: 280475180
title: "G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories"
brand: "g keni"
price: "€ 52.37"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/280475180-g-keni-smart-bike-tail-light-brake-sensing-rear-lights
store_origin: FI
region: Finland
---

# IPX6 waterproof for all-weather rides 50-hour rechargeable battery life Smart brake sensing for instant safety G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories

**Brand:** g keni
**Price:** € 52.37
**Availability:** ✅ In Stock

## Summary

> 🚨 Ride Smart, Ride Safe — Light Up Your Path Like a Pro!

## Quick Answers

- **What is this?** G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories by g keni
- **How much does it cost?** € 52.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/280475180-g-keni-smart-bike-tail-light-brake-sensing-rear-lights)

## Best For

- g keni enthusiasts

## Why This Product

- Trusted g keni brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Four Dynamic Light Modes:** Customize your ride with Normal, Breathing, Fast Flash, or Steady On modes—visibility tailored to your style and environment.
- • **Auto On/Off Smart Sensors:** Motion and light sensors intelligently power the light on or off, maximizing battery life without you lifting a finger.
- • **Brake-Activated Brightness:** Automatically switches to ultra-bright mode when braking, giving you a 5-second safety boost that riders behind can’t miss.
- • **Rugged & Weatherproof Design:** Sleek aluminum alloy shell with IPX6 waterproof rating ensures durability and style no matter the terrain or weather.
- • **Long-Lasting & USB Rechargeable:** Up to 50 hours of runtime on a single charge with a convenient USB recharge and clear battery indicators to keep you in control.

## Overview

The G KeniSmart Bike Tail Light combines cutting-edge brake sensing technology with four versatile light modes and smart auto on/off sensors. Featuring a robust aluminum alloy shell and IPX6 waterproof rating, it’s built for all-weather cycling. With up to 50 hours of USB rechargeable battery life and adjustable brightness up to 120 lumens, this ultra-bright rear light ensures you stay visible and safe on every ride.

## Description

G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories

## Features

- [ SMART BRAKE SENSING & EASY to INSTALL ] - Automatically switch to high light mode when braking, ultra-bright for 5 secs lights warning back rider to enhance your safety. You can mount it under the saddle with metal mounting bracket or mount to the seat post with adjustable silicone strap.
- [ FOUR LIGHT MODES & HIGH LUMEN LED ] - There are 4 light modes for your choice, (1)Normal Flash Mode, (2)Breathing Flash Mode, (3)Fast Flash Mode, (4)Steady On Mode, enjoy your cycling as you wish, High lumen COB Led bike taillight makes you more visible, it's a perfect bike light for night riding.
- [ AUTO ON/OFF for BATTERY SAVING ] - This Smart bike tail light including Motion Sensor and Light Sensor, it will be auto off when detect in no motion after 30 secs. Once touch it or detect the bike is moving, the light will auto on again. Also when you ride under the sunlight, the tailight will be auto off due to the light sensor is working, IF YOU LIKE TO RIDE IN THE DAYTIME AND NEED THE TAILLIGHT KEEP WORKING ALL THE TIME, please choose the mode 3 and mode 4 to avoid Light Sensor working.
- [ BRIGHTNESS ADJUSTABLE & HIGH LUMEN ] - The brightness of this bike rear light is adjustable, Max to 120 Lumen,1000m Viewable, in the steady on mode, just long press the button to adjust the brightness that you need, it Built-in 400mAh Li-ion battery, it can lasting 50 hours (will be influenced by the brightness that you setting) runing time when fully charged. four blue indicator lights, each shows 25% capacity, No longer worry about forget to charge.
- [ ALUMINUM ALLOY SHELL & IPX6 WATERPROOF ] - Made of aluminum alloy shell, this bike rear light has a nice touch and awesome appearance. It's waterproof/dustproof and shockproof, suitable for any harsh working environment. we guarantee a 12-month warranty, 30-day money back and 24/7 customer service to make it no risk for you to purchase this taillight.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Red |
| Size | 1 Pack |
| Style | 1 Pack (Aluminum Alloy Shell) |
| Frame Material | aluminum_alloy |
| Material Type | Plastic Aluminum |
| Power Source | Battery Powered |
| Features | Waterproof, night-vision, lightweight |
| Batteries Included? | Yes |
| Brand | G Keni |
| Department | mens |
| Manufacturer | K&K International Co.,LTD |
| Item model number | Q5 |
| Product Dimensions | 3.4 x 3.4 x 4 cm; 85.05 g |
| ASIN | B07W4PGHK7 |

## Product Details

- **Colour:** Red
- **Brand:** G Keni
- **Material:** Plastic Aluminum
- **Power source:** Battery Powered
- **Water resistance level:** Water Resistant

## Images

![G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories - Image 1](https://m.media-amazon.com/images/I/7106EjtMgML.jpg)
![G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories - Image 2](https://m.media-amazon.com/images/I/61jInCNoJBL.jpg)
![G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories - Image 3](https://m.media-amazon.com/images/I/61RXOjOg83L.jpg)
![G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories - Image 4](https://m.media-amazon.com/images/I/61PQF8Kp59L.jpg)
![G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories - Image 5](https://m.media-amazon.com/images/I/61EZLH+QDNL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.fi/products/280475180-g-keni-smart-bike-tail-light-brake-sensing-rear-lights](https://www.desertcart.fi/products/280475180-g-keni-smart-bike-tail-light-brake-sensing-rear-lights)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-02*