Features: Easy and quick to release and install.Retractile design with light weight is convenient to carry. Adjustable size is suitable for various bikes with 18-26mm front fork and 25-34mm rear seat tube, including mountain bike, road bike, racing bike, etc. LED taillight in rear fenders for safe and cool cycling at night. Two lighting modes①Press once: Always on mode is on.②Press twice: The flashing mode is on. Wide and lengthened design can prevent your bike from mud and rainwater to keep dry and clean. To solve the trouble of the rainwater, well prevent you and your bike from the mud, keep your bicycle spotless, dryer and cleaner. These mountain bike fenders can be easily washed and mounted back. Specification: Material: PVC Front Fenders Size: 34.5 * 7cm / 13.6 * 3inch Rear Fenders Size: 50 * 7cm / 20 * 3inch Retractile Front Fenders Length:16.5cm / 6.5inch Retractile Rear Fenders Length: 24cm / 9inch Suitable Front Fork Diameter: 18-26mm / 0.7-1inch Suitable Rear Seat Tube Diameter: 25-34mm / 1.0-1.3inch Weight: 381g Color: Orange, black, white, blue, green, red, gray Package List: 1 x Front Bicycle Mudguard 1 x Rear Bicycle Mudguard