shenzhennalan Charging Bike Brake Sensing Light: Brake sensing technology
Available Options
What if your bike's tail light could think for itself? This smart rear light does just that, with a built-in brake sensor that flashes its LEDs to a brighter, more urgent mode the moment you slow down. It's like having a third brake light, instantly warning drivers and fellow cyclists without you lifting a finger.
Powered by a rechargeable battery via USB, it ditches the hassle and waste of disposables—a small win for both your wallet and the planet. Mounting is a snap: just clip it onto any seatpost, no tools needed, and it stays put whether you're on a sleek road bike, a rugged mountain machine, or a daily commuter.
In the chaos of city streets, night rides, or packed group events, this gadget is a lifesaver. It keeps you visible with steady or flashing modes, and that auto-brake feature means no more awkward switch-hunting mid-turn. Pro tip: give it a full charge out of the box, and occasionally tighten the mount. Because the best safety feature is one that never lets you down.
- LED illumination
- Rechargeable battery
- Easy seatpost mounting
- Automatic activation
- Brake sensing technology
General specs
- Brand: shenzhennalan
- Seller: Joom
- Power Source: Rechargeable battery, USB charging
- Light Type: LED
- Mounting Type: Seatpost mount
- Sensing Feature: Brake sensing
- Availability: In stock
- First listed by seller: 8/26/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
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Charging Bike Brake Sensing Light Brake sensing technology
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Intelligent Sensor Brake Lights Smart sensor activation
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| Brand | shenzhennalan | JAPAN SPORTS | Sturdy equipment | TOMTOP JMS | KaCoshi | Smarrt home |
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| Price | $7.51 | $42.98 | $21.12 | $21.53 | $34.35 | $21.52 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | September 20, 2025 | August 31, 2025 | August 20, 2025 | August 29, 2025 | August 19, 2025 | August 19, 2025 |
| Power Source | Rechargeable battery, USB charging | Rechargeable battery | USB rechargeable | |||
| Light Type | LED | LED | LED | LED | ||
Charging Bike Brake Sensing Light
Natalie R.
Halifax, NS
September 4, 2025
Before I got this I was using a basic light that I had to turn on and off manually and it was a hassle especially when riding with my kids in traffic. Now with this light it senses when I brake and flashes brighter which is a big improvement. It stays put on my bike most of the time and the battery lasts a good while after a full charge. I bought it as a gift for myself and it has made night rides much less stressful. Most likely it will keep working well for a long time.
- Pros: The light is fairly easy to set up with no tools needed and it clips securely onto my bike seatpost. I like that it charges with a cable and saves money on batteries. The best part is it automatically gets brighter when I slow down which makes me feel safer without having to do anything.