DeFender™ iGlow TX is a compact trekking bike fender with integrated iGlow illumination for safety at night and low light conditions. Adjustable aluminium struts with QR levers for quick, perfect alignment and good tyre coverage. The DeFender™ iGlow TX is made of high impact plastic and the highly polished underside prevents dirt buildup.Injected high impact resistant plastic with aluminium struts,QR adjustable arms for perfect fit and tyre coverage,Adaptors to mount on forks with front or side eyelets,Rear guard mounts on seat tube with strap,Fits tires up to 700x44c,225g (front), 315g (rear),.Lamp: 0.5W Super Bright Red LEDModes: Constant/BlinkingBurn Time: (approx) 50hrs/100hrsBattery: CR2032 x4 (included)