Prepare your semi truck to be Ready for the Road Ahead™, with the Accuride 20" x 4" Steel Channel Spacer Band that helps ensure proper wheel alignment. Due to its ability to correctly space out a wheel rim and an axle, this replacement ring is the ideal option to help maintain a balanced load distribution. Engineered with durable steel for a long-term service life.. FleetPride is your First Click in Heavy Duty®.