Specifically designed for 27.5” and 29” wheeled MTB’s. The DeFender™ DeFender RX 279er is the perfect choice for lightweight durable mud protection on those wet and sloppy rides. Quick release allows DeFenders to be installed and removed in seconds. A highly polished underside helps prevent dirt buildup and aids in cleaning. Fits 27.5” – 29” MTB tires up to 3” wide.