The RCA-215 Flex-Mount Auxiliary Axle Suspension for vocational trucks is a non-steerable, air-ride/air-lift unit that offers weight savings of 50 to 72 pounds compared to Ridewell's Model 225. The RCA-215 will carry 22,500 pounds. The Flex-Mount system is designed to accept axle drop of up to 8 inches. It has 10¼-inch total travel, with as much as 7 inches of lift. The suspension has axle alignment adjustment of 3/8 inch at each hanger.