Mucky Nutz Butt Fender The original Mucky Nutz mountain bike saddle guard. Features Improved design is thicker stronger and reprofiled for a better fit Prevents the top of seat post from getting clogged up No need for separate fasteners making it easy to fit and take off Compatible with all standard double steel rail saddles Easy to clean as it's flexible and opens flat to simply wipe clean Weight 30g/ 1oz Material Customized Polypropylene | Mucky Nutz | Butt Fender Black