The single-piston caliper looks like a crab, just like a large river crab.

Single-piston calipers are what we often call brake calipers, lower pumps. Most of our civilian vehicles use this single-piston caliper as the braking system. This kind of caliper has a simple structure, strong power and relatively low price. The caliper looks like a round cover with a lot of auxiliary parts on the top and bottom, much like a crab.

If multi-piston calipers can be called abalone calipers, then single-piston calipers are often called small crabs, old crabs, big crabs, etc., which is a very vivid name. , the single-piston caliper has an image similar to a crab, so there is no problem in being called a crab caliper.

The structure of the single-piston caliper determines its appearance. It is such a single-point piston structure that makes it look like a crab, so the single-piston caliper is a caliper that looks like a crab.