---
product_id: 555359547
title: "Auto-Sensing Rear Light BKS-G5, Precise Brake Sensing for Bike Cargo Rack, AirTag Mount, Type-C Rechargeable, Large Reflector, 50/80mm Bolt Spacing Mounting, Made in Taiwan"
brand: "bikespark"
price: "€ 49.20"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/555359547-auto-sensing-rear-light-bks-g5-precise-brake-sensing-bike
store_origin: IE
region: Ireland
---

# Ultra-Bright LEDs Type-C Rechargeable Deceleration Sensing Auto-Sensing Rear Light BKS-G5, Precise Brake Sensing for Bike Cargo Rack, AirTag Mount, Type-C Rechargeable, Large Reflector, 50/80mm Bolt Spacing Mounting, Made in Taiwan

**Brand:** bikespark
**Price:** € 49.20
**Availability:** ✅ In Stock

## Summary

> Illuminate Your Ride! 🌟

## Quick Answers

- **What is this?** Auto-Sensing Rear Light BKS-G5, Precise Brake Sensing for Bike Cargo Rack, AirTag Mount, Type-C Rechargeable, Large Reflector, 50/80mm Bolt Spacing Mounting, Made in Taiwan by bikespark
- **How much does it cost?** € 49.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/555359547-auto-sensing-rear-light-bks-g5-precise-brake-sensing-bike)

## Best For

- bikespark enthusiasts

## Why This Product

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

## Key Features

- • **AirTag Compatibility:** Easily track your bike with a simple AirTag mount.
- • **Regulatory Compliance:** Meets German StVZO standards for nighttime visibility.
- • **Convenient Auto ON/OFF:** Turns on/off automatically, so you can focus on the ride.
- • **Smart Deceleration Detection:** Automatically brightens when you slow down, enhancing safety.
- • **Long-lasting Rechargeable Battery:** 550mAh battery ensures you’re always ready to ride.

## Overview

The BikeSpark Auto-Sensing Rear Light BKS-G5 is a cutting-edge bike safety accessory that features innovative deceleration sensing technology, ultra-bright LEDs, and a rechargeable battery. Designed for convenience and compliance with safety regulations, it also offers AirTag compatibility for easy tracking. Perfect for the modern cyclist who values safety and technology.

## Description

Auto-Sensing Rear Light BKS-G5, Precise Brake Sensing for Bike Cargo Rack, AirTag Mount, Type-C Rechargeable, Large Reflector, 50/80mm Bolt Spacing Mounting, Made in Taiwan

## Features

- BikeSpark’s Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx (US Patent No.: 10427594 B2). Once deceleration is detected, BikeSpark increases the brightness to ultra-bright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.
- Automatic ON/OFF - Press the Control Button to turn on the light and you are good to go. Never have to remember to turn off your rear light again! BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.
- Great Brightness meeting Regulatory Compliance - Super bright LEDs provide excellent long distance and 220 degree visibility. Four lighting modes accommodate various cycling conditions. Besides, two constantly-on lighting modes that comply with Germany StVZO Regulations help you riding safely in the darkest nights.
- Highly Reflective Reflector Meeting Regulatory Compliance - BikeSpark BKS-G5 equips with the world-class vehicle reflector. The highly reflective reflector is compliant with German StVZO standard.
- Type-C rechargeable - The light comes with a built-in 550mAh li-polymer battery and is rechargeable with the type-C port. Quickly and conveniently get the light fully recharged before cycling.
- AirTag Mounting Compatible - Turn the bike light to a tracking device without extra cost. The compartment at the back of the light unit allows you to mount AirTag on the light. No tools required and simply press to click the AirTag in place. Easy and convenient to track or locate the bike or the light unit. AirTag is not included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | BikeSpark |
| Material | Metal |
| Power Source | Battery Powered |
| Water Resistance Level | Waterproof |
| Mounting Type | Frame Mount |
| Number of settings | 4 |
| Brightness | 10 lumens |
| Auto Part Position | Rear |
| International Protection Rating | IPX5 |
| Manufacturer | J-MEX Inc. |
| Item Package Dimensions L x W x H | 4.72 x 3.62 x 1.93 inches |
| Package Weight | 0.1 Kilograms |
| Item Dimensions  LxWxH | 4.13 x 1.46 x 1.18 inches |
| Brand Name | BikeSpark |

## Product Details

- **Brand:** BikeSpark
- **Material:** Metal
- **Power Source:** Battery Powered
- **Water Resistance Level:** Waterproof
- **Mounting Type:** Frame Mount
- **Number of settings:** 4
- **Brightness:** 10 lumens
- **Auto Part Position:** Rear
- **International Protection Rating:** IPX5
- **Manufacturer:** J-MEX Inc.

## Images

![Auto-Sensing Rear Light BKS-G5, Precise Brake Sensing for Bike Cargo Rack, AirTag Mount, Type-C Rechargeable, Large Reflector, 50/80mm Bolt Spacing Mounting, Made in Taiwan - Image 1](https://m.media-amazon.com/images/I/81slQWOPgoL.jpg)

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-27*