The Gaciron LOOP-100 is a smart rear bike light with an automatic brake light function triggered by deceleration, offering versatile mounting options and USB rechargeability. Reviewers generally praise its brightness, build quality, and ease of use, though some note it is not the cheapest and express minor concerns about battery life for longer rides.
Pros
- Magnetic mounting for quick on/off and theft prevention.12
- Multiple mounting options (under saddle, seat tube, aero seat post, saddle rails) provide versatility.13
- Automatic brake light function increases visibility and safety.14
- Bright at 100 lumens.4
- Waterproof (IP6).4
- Long battery life (lasts at least a week with typical use).14
- Sturdy build quality.42
- Easy to use with simple controls.42
- Eco-friendly cardboard packaging.1
- Vibration-free wake-up function and auto sleep after 120 seconds.1
Cons
Key Facts
- Brake light activates in any mode, increasing to 100 lumens for 3 seconds when deceleration is detected via infrared sensor.1
- Battery life varies by mode: low steady 20 hours, medium steady 12 hours, high steady 5 hours, power saving 40 hours.4
- Seven modes: low steady, medium steady, high steady, power saving, trail, fog, and smart mode.4
- Smart mode activated by holding button for 3 seconds, indicated by three flashes.4
- USB rechargeable with included cable.12
- Waterproof rating IP6.4
- Comes with multiple mounting options: large and small O-rings for round seat posts, aero seat post strap, and saddle rail mount.3
- Price approximately £35 on AliExpress.1
Sources
- 1I Ride A Raleigh, MarkHuckerGACIRON Smart bicycle light Loop 100
- 2Jon BergmannGaciron Loop 100 Full Setup and Review
- 3Alex IoannidesAll 4 Mounts Tested for the rear Light Gaciron LOOP-100 Smart Brake Bike Tail Light
- 4The Yorkshire Bike MechanicGaciron Smart Loop-100 Cycle light review and ITV tonight Cycle Fast appearance.
Reviews & Ratings
05:10The reviewer unboxes and tests the Gaciron LOOP-100 rear light, highlighting its magnetic mounting system and ease of use. They appreciate the multiple mounting options and the secure magnetic attachment. They note that the battery life has been sufficient for their rides so far, though they express a slight concern about it. Overall, they are a fan of the light, describing it as simple, easy, and clean.
05:23The reviewer demonstrates the installation of the Gaciron LOOP-100 rear light on multiple bikes, highlighting its versatile mounting options for different seat post types. They praise its stability and appearance.
12:53The reviewer discusses the Gaciron LOOP-100, an automatic brake light with a rear LED. He unboxes it, demonstrates its features, and tests it on a bike. He highlights its intelligent brake detection, magnetic mounting, and USB charging. He recommends it for city cycling, noting it could potentially save lives by signaling braking to traffic.
08:26The reviewer, Dave K, unboxes and tests the Gaciron LOOP-100 smart light. He highlights its smart braking feature, which increases brightness when slowing down, and demonstrates its various mounting options and modes. He praises its build quality, brightness, and waterproofing, and recommends it as a good safety light.
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Specifications
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