How to Identify the Number of Pistons in a Brake Caliper?
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Methods to identify the number of pistons in a brake caliper: It can be distinguished by appearance. There will be several circular protrusions on the caliper, which are the pistons. The pistons in the caliper are symmetrically arranged on both sides, increasing braking force while ensuring even distribution. When counting the pistons, owners only need to count one side (symmetrical), and the total number of pistons is the number of protrusions multiplied by two. As the component that applies force to the brake disc, the brake piston is crucial. Most ordinary family cars use single-piston calipers, usually located on the rear side of the brake disc, so from the outside, owners can only see the caliper and the brake pads fixed on it.