SRAM Code RSC Disc Brake and Lever - Front, Hydraulic, Post Mount, Black, A1Built using the same architecture as the Guide brakes, but with larger fluid reservoir and pistons, it delivers even more power and heat management. SRAM's SwingLink lever actuation design provides great modulation. Code RSC is built from the elements that made Guide a benchmark in contemporary brake design and performance, and delivers an extra 15% power to shine in all heavy duty applications. SwingLink and Lever Pivot Bearings ensure a smooth and