These mudguards are designed and produced with excellent strength so as to endure many types of treatment and harsh conditions. There are many advantages in the polyethylene mudguards they are built very strong with extra strength construction so there is no need for a back stay brace, there will be No Rust what so ever, all UV resistant so they will last for years and years, they are also very Fast, Efficient and easy to fit, no maintenance and NZ Made!