---
product_id: 430192409
title: "ROCKBROS Bike Tail Light Smart,Brake Bicycle Rear Lights Rechargeable,IPX6"
brand: "rockbros"
price: "€ 59.48"
currency: EUR
in_stock: true
category: "Rockbros"
url: https://www.desertcart.hr/products/430192409-rockbros-bike-tail-light-smart-brake-bicycle-rear-lights-rechargeable
store_origin: HR
region: Croatia
---

# Ultra-bright 50-lumen COB LED 50 hours battery life on 400mAh Li-ion IPX6 waterproof for all-weather rides ROCKBROS Bike Tail Light Smart,Brake Bicycle Rear Lights Rechargeable,IPX6

**Brand:** rockbros
**Price:** € 59.48
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Light up your ride, stay ahead of the pack!

## Quick Answers

- **What is this?** ROCKBROS Bike Tail Light Smart,Brake Bicycle Rear Lights Rechargeable,IPX6 by rockbros
- **How much does it cost?** € 59.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/430192409-rockbros-bike-tail-light-smart-brake-bicycle-rear-lights-rechargeable)

## Best For

- rockbros enthusiasts

## Why This Product

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

## Key Features

- • **4 Dynamic Light Modes:** Customize your ride with Normal, Breathing, Fast Flash, or Steady On modes for day or night visibility.
- • **Rugged & Weatherproof:** Premium aluminum alloy build with IPX6 waterproof rating ensures durability rain or shine.
- • **Type-C USB Rechargeable:** Fast, convenient charging with clear 4-level battery indicator so you never run out mid-ride.
- • **Auto On/Off Motion Sensor:** Saves battery by turning off after 30 seconds of inactivity and instantly reactivates when you start moving.
- • **Brake-Sensing Smart Alert:** Automatically flashes bright brake light for 5 seconds to keep you visible and safe in traffic.

## Overview

The ROCKBROS Bike Tail Light Smart combines ultra-bright COB LED technology with intelligent brake sensing and motion-activated auto on/off features. Its 400mAh rechargeable battery delivers up to 50 hours of runtime, while the IPX6 waterproof aluminum alloy design ensures durability in all weather conditions. With four dynamic lighting modes and easy installation, it’s the ultimate safety upgrade for any cyclist aiming to ride confidently and be seen.

## Description

desertcart.com : ROCKBROS Bike Tail Light Smart,Brake Sensing Bicycle Rear Lights,Ultra Bright LED Back Lights,Type C USB Rechargeable,IPX6 Waterproof,Cycling Safety Taillight Accessories : Sports & Outdoors

## Features

- High-Intensity LED & Brake Sensing Advancement:Illuminate your surroundings with our rear bike light's high lumen COB LED. featuring smart sensor technology that activates a brake light when you slow down. The light emits a high-intensity flash for 5 seconds, alerting riders behind you for enhanced safety
- Dynamic Modes & Easy Install: Choose from 4 dynamic light modes: (1) Normal Flash, (2) Breathing Flash, (3) Fast Flash, (4) Steady On. Tailored for diverse riding conditions day and night. Effortlessly install with metal under-seat or rubber band seat post mounts. Fits road, mountain, cruiser, scooter
- Smart Auto On/Off & Battery Efficiency:- Experience intelligent functionality with our bike rear light. Equipped with Motion and Light Sensors, it automatically turns off after 30 seconds of inactivity. Once movement is detected or your bike is in motion, the light reignites (auto on/off applies to modes 1 and 2). For continuous daytime visibility, opt for modes 3 or 4 to bypass the Light Sensor (Brake sensing active in all modes)
- Extended Battery Life & Intuitive Power Display:Stay powered during your rides with the 400mAh Li-ion battery. On a full charge, enjoy up to 50 hours of usage. The built-in power indicator features four blue breathing lights, each indicating 25% battery capacity, ensuring you know when to recharge
- Durable Build & All-Weather Ready : Crafted from premium aluminum alloy, our bicycle brake light boasts an elegant metallic finish. Designed to withstand diverse weather conditions with an IPX6 Waterproof rating, making it suitable for any ride

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09VYY4V88 |
| Auto Part Position | Rear |
| Best Sellers Rank | #6,158 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Bike Taillights |
| Brand Name | ROCKBROS |
| Color | black |
| Customer Reviews | 4.7 4.7 out of 5 stars (747) |
| Included Components | mount |
| International Protection Rating | IP65 |
| Item Dimensions L x W x H | 1.57"L x 1.34"W x 1.34"H |
| Item Weight | 53 Grams |
| Manufacturer | ROCKBROS |
| Manufacturer Part Number | TL907Q50-CBR |
| Material Type | Aluminum |
| Model Number | TL907Q50-CBR |
| Mounting Type | Seat Mount |
| Number of settings | 1 |
| Power Source | Battery Powered |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Manufacturer |
| Water Resistance Level | Waterproof |

## Product Details

- **Auto Part Position:** Rear
- **Brand:** ROCKBROS
- **Color:** black
- **Item Weight:** 53 Grams
- **Material:** Aluminum
- **Mounting Type:** Seat Mount
- **Number of settings:** 1
- **Power Source:** Battery Powered
- **Product Dimensions:** 1.57"L x 1.34"W x 1.34"H
- **Water Resistance Level:** Waterproof

## Images

![ROCKBROS Bike Tail Light Smart,Brake Bicycle Rear Lights Rechargeable,IPX6 - Image 1](https://m.media-amazon.com/images/I/61zm72dq2cL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is included inside the package?**
A: Dual Bracket Mount: Comes with two brackets (Saddle Rail Mount + Seat Post Mount), Type-C cable and English manual. Single Saddle Rail Mount / Single Seat Post Mount: Includes only one matching bracket, plus Type-C cable and English manual.

**Q: Where is the USB port on the light unit? Is it accessible without removing the tail light from the saddle?**
A: The USB port is located between the light and the rack. You need to remove the tail light from the rack to charge it.

**Q: Does the brake feature activate under light braking, or only during moderate and heavy braking?**
A: It is quite sensitive. The brake light will activate with any braking.

**Q: How quickly does it brighten when braking? Can it be set to stay off and only come on when braking?**
A: It brightens immediately upon sensing the bike slowing down. There are 4 modes, and the light must be turned on for the brake light function to work.

**Q: Does it have a low or dead battery indicator on the handlebars?**
A: No. There are four small blinking blue dots in the center of the light unit. When all four blink, it indicates a 100% charge; three dots mean 75%, and so on.

## Frequently Bought Together

- ROCKBROS Bike Tail Light Smart,Brake Sensing Bicycle Rear Lights for Night Ride,Ultra Bright LED Back Lights,Type C USB Rechargeable,IPX6 Waterproof,Cycling Safety Taillight Accessories
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**Shop now:** [https://www.desertcart.hr/products/430192409-rockbros-bike-tail-light-smart-brake-bicycle-rear-lights-rechargeable](https://www.desertcart.hr/products/430192409-rockbros-bike-tail-light-smart-brake-bicycle-rear-lights-rechargeable)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-06*