Product Details: Ensure your semi truck is Ready for the Road Ahead™ with enhanced wheel balance, with the Centramatic 22.5-24.5" 10-Bolt Aluminum Steer Balancer. This replacement component uses centrifugal force to provide wheels with proper alignment while rotating. Engineered with a free-flowing synthetic fluid to offer an alternative to traditional tire beads. FleetPride is your First Click in Heavy Duty®.