"Aluminum calipers" refers to a type of brake caliper made from aluminum, which is a lightweight and durable material commonly used in manufacturing. Full definition
The brakes are equally monstrous two - piece carbon ceramic rotors, with fixed six - piston aluminum calipers at the front. (roadandtrack.com)
The front axle is fitted with brakes with fixed aluminum calipers. (drivemag.com)
Some of the biggest savings come from the brake system, where fixed aluminum calipers replace floating iron units for an 11 - pound savings. (automobilemag.com)