Welcome to our DYIsland Mix n Match of Hydraulic brakes. You can buy only one of the caliper set or more according to your needs.
You will receive the caliper of your choice complete with the oil cable and brake lever as pictured.

You are welcome to contact us if you are not sure what side calipers you need.

Most higher power electric scooters come with these brakes from the manufacturers as they are good brakes but not as popular as the Nutt for example.

They will fit the majority of scooters but keep in mind that you mind need to replace the brackets that come with them. 
There are no instructions with them so if you don't have the knowledge on how to fit them, we strongly suggest that you seek professional help.