---
product_id: 430192409
title: "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"
brand: "rockbros"
price: "192.16 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/430192409-bike-tail-light-smart-brake-sensing-bicycle-rear-lights-night
store_origin: TN
region: Tunisia
---

# Ultra bright COB LED, 5 dynamic modes 400mAh battery, up to 50h runtime IPX6 waterproof, all-weather durability 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

**Brand:** rockbros
**Price:** 192.16 DT
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Light up your ride, own the night!

## Quick Answers

- **What is this?** 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 by rockbros
- **How much does it cost?** 192.16 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/430192409-bike-tail-light-smart-brake-sensing-bicycle-rear-lights-night)

## 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

- • **Effortless Installation:** Quick-mount design fits all bike types with metal or rubber mounts for a secure, tool-free setup.
- • **Intelligent Auto On/Off:** Motion and light sensors optimize battery life by powering off after inactivity and instantly reactivating on movement.
- • **Customizable Light Modes:** Choose from 4 dynamic modes tailored for any ride—day or night, urban or trail.
- • **Brake-Sensing Safety Alert:** Smart sensor triggers a 5-second high-intensity brake flash to keep you visible and protected.
- • **Long-Lasting Power & Status:** 400mAh rechargeable battery delivers up to 50 hours with a clear 4-level power indicator to avoid surprises.

## Overview

The ROCKBROS Bike Tail Light Smart combines ultra-bright COB LED technology with advanced brake-sensing for enhanced cycling safety. Featuring 4 dynamic modes, IPX6 waterproof aluminum build, and a 400mAh rechargeable battery offering up to 50 hours of runtime, this compact rear light ensures visibility and durability in all conditions. Its intelligent auto on/off system and easy installation make it the perfect accessory for professional and casual cyclists alike.

## Description

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

## 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 |
|---------------|-------|
| Color | black |
| Brand | ROCKBROS |
| Material | Aluminum |
| Power Source | Battery Powered |
| Water Resistance Level | Waterproof |
| Item Weight | 53 Grams |
| Mounting Type | Seat Mount |
| Product Dimensions | 1.57"L x 1.34"W x 1.34"H |
| Number of settings | 4 |
| Brightness | Ultra Bright |
| Auto Part Position | Rear |
| International Protection Rating | IP65 |
| Manufacturer | ROCKBROS |
| Item Package Dimensions L x W x H | 5.75 x 4.57 x 1.5 inches |
| Package Weight | 0.12 Kilograms |
| Item Dimensions  LxWxH | 1.34 x 1.34 x 1.34 inches |
| Brand Name | ROCKBROS |
| Suggested Users | unisex-adult |
| Part Number | TL907Q50-CBR |
| Style | Standard |
| Size | Standard |
| Sport Type | Cycling |
| Skill Level | All |

## Product Details

- **Color:** black
- **Brand:** ROCKBROS
- **Material:** Aluminum
- **Power Source:** Battery Powered
- **Water Resistance Level:** Waterproof
- **Item Weight:** 53 Grams
- **Mounting Type:** Seat Mount
- **Product Dimensions:** 1.57"L x 1.34"W x 1.34"H
- **Number of settings:** 4
- **Brightness:** Ultra Bright

## Images

![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 - 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: Ours came in a box containing two mounting brackets (one for under the seat and one for the seat post), a Type-C USB charging cable, an English manual, and the bike taillight itself.

**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.tn/products/430192409-bike-tail-light-smart-brake-sensing-bicycle-rear-lights-night](https://www.desertcart.tn/products/430192409-bike-tail-light-smart-brake-sensing-bicycle-rear-lights-night)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-09*