The CBX40 Advanced suspension / slider system engineered for van and reefer trailers, available with SAF INTEGRAL Disc Brakes. Offers a number of options and choices to meet your specific needs. For manufacturers and fleets that demand the compatibility of drum brake systems, the SAF CBX40 comes standard with a quality foundation drum brake to satisfy those needs. For those seeking the advanced technology and performance of a disc brake system, we offer the SAF CBX40 with SAF INTEGRAL Disc Brake Technology. Benifits include: -Cast Trailing Arm Beam- Integral cast beam design reduces component complexity and substantially increases strength. -PosiLok- PosiLok solves dock walk and squat. It's advanced design minimizes stresses and flexing through a direct slider-suspension-axle load path. Operationally, a positive lock out of components effectively transfers loading from the air bags to the PosiLok mechanism for stable and safe loading / unloading operation. Contact ILoca's Parts Department Today at 1-888-736-4826