The Ridewell Suspensions Short Track Disc Brake Axles are designed to be easily configured with Automatic Tire Inflation Systems (ATIS). This shorter series axle comes with a wall thickness of .75" and track widths between 28" and 42". The short track series allows Ridewell to expand its axle offerings for heavy haul and severe duty applications. It also allows Ridewell to increase its track widths to a range between 28” and 112”. Short track axles can be configured with the Wabco PAN 22; Bendix ADB22X and ADB22X-LT; Wabco PAN19; and Wabco PAN17 air disc brakes.