What are the two types of brake calipers?

In simple terms, a brake caliper’s purpose is to squeeze the brake pads against the rotor to stop the car. There are two main types of calipers, a single piston and a dual piston. Most front calipers are dual piston but many cars use single piston calipers on the rear, where less braking force is needed.

How do I know what size brake caliper I need?

You need to determine which reach your current calipers are. Given the tire size of your current bike (700x32c), if I were to guess, it is likely option (2) 47-57mm. If you peruse Sheldon Brown’s web page on brake calipers you can see which brands and model numbers will match this reach specification.

Are calipers different sizes?

they use different sizes to apply the presure evenly to the brake….then to the disc.

How do I choose brake disc size?


  1. ID = Inside Diameter: Measure from inside edge to inside edge.
  2. OD = Outside Diameter: Measure from outside edge to outside edge.
  3. Measurement from inside edge of mounting hole to inside edge of bolt hole.
  4. Bolt hole diameter: measure from inside edge of bolt hole to opposite inside edge.

Why do road bikes use caliper brakes?

Caliper brakes function as a single unit, mounted to your frame by a lone bolt, that pivots when the brake leversare pulled. These designs are useful for road bikes because they provide a great balance between stopping power and delicate modulation of the amount of power you can apply.

Is it OK to paint brake calipers?

Just like on high end sports cars, you can add a colorful paint job to your brake calipers to set your car apart. No one wants to see rusty calipers behind a set of shiny rims. Take the time to prepare your calipers properly, and you can make sure that you end up with a paint job that lasts and prevents rust.