You love riding your bike, and the last thing on your mind is the fading daylight. When you ride with the Blinder 4V taillight, Knog's got your back. Four super-bright LEDs are arranged to fit perfectly on your seatpost. The quick, easy-to-use silicone strap ensures that this waterproof light stays securely in place. Plus, a USB port allows for convenient recharging and tactile buttons make for easy operation, even while wearing gloves.