The N-FAB RKR Step System for 2021–2023 Ford Bronco 4-door models uses 1.75-inch tubular steel with inside-and-out corrosion treatment and a textured black powder-coat finish. RKR rails offer vehicle protection and a refined appearance, accept optional detachable steps for daily access, and are built to provide a durable rail system that fits tight to the body.
N-Fab RKR Step System 2021 Ford Bronco 4 Door - Tex. Black - 1.75in