The Topeak Defender iGlow TX is a compact trekking bike fender set with integrated iGlow illumination for safety during night and low light conditions. They have adjustable aluminium struts with QR levers for quick and perfect alignment, providing good tyre coverage. These fenders are made of high impact plastic with a highly polished underside to prevent dirt buildup. The set includes adaptors to mount on forks with front or side eyelets, and the rear guard can be mounted on the seat tube with a strap. These fenders are designed to fit tires up to 700x44c. The front fender weighs 225g and the rear fender weighs 315g. The iGlow TX set also features a 0.5W Super Bright Red LED lamp with modes for constant or blinking light. The lamp has a burn time of approximately 50 hours for constant light and 100 hours for blinking light. The set comes with four CR2032 batteries included.