Windforce WH1000 (Steer/Trailer) The Windforce WH1020 is a long distance highway steer/trailer tyre with solid tread shoulder and side-slip resistance.Available to suit rims with 22.5-inch diameter. Get a Quote - Australia Wide Windforce Tyres are available Australia wide. We will refer you to your nearest Windforce dealer within for a quick and easy quote. Our extensive dealer network and reliable freight options ensures you can get your tyres fitted to your vehicle as soon as possible. Get Quote