Product Details: Keeping you Ready for the Road Ahead™, theConMet Iron PreSet® 10-Stud Mount R-Drive Hub is the perfect solution for your 16.5" brake truck drive axle with 5/8" axle studs. This hub has a rated capacity of 13,000 lbs and gross axle weight rating (GAWR) of 26,000, which provides maximum stopping power and control. This outboard hub replacement assembly boasts incredibly easy installation and maintenance compared to conventional hub assemblies. With 10-studs and a bolt circle of 11.25", this hub assembly is built for durability and reliability. It features a stamped ABS ring and a bearing combination, ensuring optimal performance and safety on the road. The iron hub proves durable with excellent strength. Made specifically for R Drive long barrel iron side pull axles, this hub assembly is built to withstand even the toughest of conditions. FleetPride is your First Click in Heavy Duty®.