Calipers that clamp pads against the rotor under hydraulic pressure.

Calipers convert hydraulic pressure into stopping force. Wear or sticking can cause pulling, uneven pad wear or low braking power. Match calipers by piston count, mounting points and hose connection. Check the sliders and mounting bolts for free movement. After installation, bleed the system to remove air. A healthy caliper keeps braking stable on city and highway roads.