--- product_id: 430192409 title: "ROCKBROS Smart Bike Light with Brake Sensor, Rechargeable Rear Tail Light" brand: "rockbros" price: "6891 kr" currency: ISK in_stock: true url: https://www.desertcart.is/products/430192409-rockbros-smart-bike-light-with-brake-sensor-rechargeable-rear-tail store_origin: IS region: Iceland --- # 400 lumens high-intensity COB LED 50 hours battery life on full charge IPX6 waterproof for all-weather rides ROCKBROS Smart Bike Light with Brake Sensor, Rechargeable Rear Tail Light **Brand:** rockbros **Price:** 6891 kr **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Light up your ride, own the road—safety never looked this smart! ## Quick Answers - **What is this?** ROCKBROS Smart Bike Light with Brake Sensor, Rechargeable Rear Tail Light by rockbros - **How much does it cost?** 6891 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/430192409-rockbros-smart-bike-light-with-brake-sensor-rechargeable-rear-tail) ## 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 - • **Long-Lasting Power:** 400mAh rechargeable battery delivers up to 50 hours of continuous use with clear battery level indicators. - • **Smart Brake Sensing:** Automatically flashes bright red for 5 seconds when braking, keeping you visible and safe in traffic. - • **Rugged & Weatherproof:** Premium aluminum alloy body with IPX6 waterproof rating ensures durability and performance rain or shine. - • **Dynamic Lighting Modes:** Choose from 4 versatile modes—Normal, Breathing, Fast Flash, and Steady On—to match any riding condition. - • **Effortless Auto On/Off:** Motion and light sensors power the light on/off intelligently, conserving battery without sacrificing safety. ## Overview The ROCKBROS Bike Tail Light Smart combines ultra-bright 400 lumen COB LED technology with intelligent brake sensing and motion-activated auto on/off features. Designed for professional cyclists and urban commuters, it offers 4 dynamic lighting modes, a robust 400mAh rechargeable battery lasting up to 50 hours, and a durable aluminum alloy build with IPX6 waterproof rating. Easy to install and compatible with various bike types, this tail light ensures maximum visibility and safety in all weather conditions. ## Description Enjoy ROCKBROS, Enjoy Cycling! ROCKBROS is an original cycling equipment brand, owned by a passionate team whose mission is to provide top-quality and comfortable products as well as get customers love. We concentrate on explore the latest cycling trend and create the most functional equipment to all cyclists. Shop the full ROCKBROS line. ROCKBROS Bike Tail Light Smart AUTO ON/OFF for SAVING BATTERY ALUMINUM ALLOY SHELL & IPX6 WATERPROOF Suit for Normal Flash Mode Breathing Flash Mode auto off when detect in no motion after 30 secs Once shake it or detect the bike is moving, the bike back light will auto on again NOTE: 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. (Brake sensing is always ON in all of the modes.). Built-in charging port design, as long as the lights and brackets are tightened, you can ride freely without fear of wind and rain This bicycle brake light shell is made of high grade aluminum, has a nice small profile and awesome metallic appearance. Four blue breathe indicator lights, shows the remaining charge, each shows 25% capacity batterty , remind you to charge in time. It is IP65 Waterproof to withstand all types of weather conditions. What is included inside the package? 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. Where is the USB port on the light unit? Is it accessible without removing the tail light from the saddle? The USB port is located between the light and the rack. You need to remove the tail light from the rack to charge it. Does the brake feature activate under light braking, or only during moderate and heavy braking? It is quite sensitive. The brake light will activate with any braking. How quickly does it brighten when braking? Can it be set to stay off and only come on when braking? 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. Does it have a low or dead battery indicator on the handlebars? 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. ## 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 - IPX6 Waterproof & Durable Design:Made with durable aluminum alloy housing and IPX6 waterproof protection, this LED bike light is built for daily commuting and outdoor cycling in various weather conditions ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B09VYY4V88 | | Auto Part Position | Rear | | Best Sellers Rank | #7,951 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #7 in Bike Taillights | | Brand Name | ROCKBROS | | Color | black | | Customer Reviews | 4.6 4.6 out of 5 stars (772) 4.6 out of 5 stars | | 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 Highlight | IPX6,LED Back Lights, Ultra Bright,Type C USB,Waterproof,Cycling,Safety Taillight, Bike Accessories | | Item Weight | 53 g | | Manufacturer | ROCKBROS | | Manufacturer Part Number | TL907Q50-CBR | | Material Type | Aluminum | | Model Number | TL907Q50-CBR | | Mounting Type | Seat Mount | | Number Of Items | 1 | | Number Of Settings | 1 | | Power Source | Battery Powered | | Unit Count | 1 Count | | Warranty Description | 1 Year Manufacturer | | Water Resistance Level | Waterproof | ## Product Details - **Auto Part Position:** Rear - **Brand:** ROCKBROS - **Color:** black - **Item Weight:** 53 g - **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 Smart Bike Light with Brake Sensor, Rechargeable Rear Tail Light - 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 - ROCKBROS Super Bright 1000 Lumen Bike Headlight, 5 Mode LED, USB Rechargeable, Aluminium Alloy, IPX6 Waterproof, Front Bike Light with Power&Smart Mode Display - ROCKBROS Bike Bell Classic Bicycle Bell Mountain Bike Bells for Adults with Loud Sound and Fit for 0.87-1.25in/22.2-31.8mm Bicycle Handlebars --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.is/products/430192409-rockbros-smart-bike-light-with-brake-sensor-rechargeable-rear-tail](https://www.desertcart.is/products/430192409-rockbros-smart-bike-light-with-brake-sensor-rechargeable-rear-tail) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-10-28*