Enhance your visibility and safety with the Brightz Triangle Bike Taillight, a powerful rear bicycle light built to make sure you are seen. Featuring a bright red and yellow LED triangle design, this taillight delivers up to 10 lumens of attention-grabbing light so drivers, pedestrians, and fellow cyclists can spot you from a distance during both day and night rides.

Visibility is the whole point, and the triangle shape is a big part of how this light works. The bold geometric outline reads instantly as a slow-moving road user, while the red and yellow LEDs use high-visibility safety colors that stand out against traffic, headlights, and low-light backgrounds. With 7 light modes - Fast Flash, Slow Flash, Strobe, High Red, Low Red, High Yellow, and Low Yellow - you can dial in exactly the right setting for your conditions, from eye-catching daytime flash patterns that cut through bright sun to steady, glare-free modes for dark trails and nighttime commutes.

The taillight is powered by a built-in rechargeable battery, so there are no disposable batteries to keep buying. Recharging is quick and easy with the included USB-C charging cable, and a single charge delivers 8 to 24 hours of continuous runtime depending on the mode you choose. That means dependable rear illumination ride after ride, whether you are doing a quick evening loop or a long weekend tour. Setup is completely tool-free. The taillight attaches to your seat post in seconds using the included mounting strap and requires less than 3 inches of clearance for a secure fit, making it easy to install and just as easy to move between bikes. A weather-resistant design keeps it performing reliably in rain or shine. Whether you call it a bike taillight, rear bicycle light, LED safety light, or seat post light, the Brightz Triangle Taillight is a simple, rechargeable way to ride brighter and be seen.