TRP SPYRE SLC POST-MOUNT MECHANICAL BRAKEGREAT STOPPING POWERIf you're riding offroad, then you're going to want a good set of disc brakes. The TRP Spyre SLC Post-Mount Mechanical Brake utilizes a two-piston movement for evenly applied rotor contact, resulting in optimum braking power and modulation. The SLC version includes an upgraded carbon actuation arm for enhanced rigidity and weight savings. The ramped ball bearings offer smooth pad engagement and precise modulation. It works with all cable actuated road levers. Features Ramped ball bearings offer smooth pad engagement and precise modulation Works with all cable actuated road levers makes it perfect for road and CXUpgraded carbon actuation arm for enhanced rigidity and weight savings | Trp | Spyre Slc Post-Mount Mechanical Brake | Gray | 74Mm Post Mount, Front Or Rear