Mucky Nutz Mug Guard The Mucky Nutz Mug Guard offers lightweight durable protection for your mountain bike's front and rear wheels. Easy to install and adjust it keeps mud and debris at bay without adding unnecessary weight. Ride with confidence knowing your bike stays cleaner for longer. Features Lightweight and durable design Easy tool-free installation Provides effective protection from mud and debris Sleek adjustable fit for front and rear wheels | Mucky Nutz | Rear Mugguard Fender Black