The Dpofirs Hydraulic Brake Caliper Bracket Kit is designed specifically for mini bike brakes, such as MMB80, GMB100, RT100, and RB100. This kit features a mini hydraulic mount with a diameter of 51mm, ideal for easy installation and maximum brake efficiency. The bracket kit includes all the necessary hardware, such as mounting bolts and nuts, to securely attach the caliper to the bike frame. Its compact design allows for minimal space usage, making it a great choice for cyclists with limited storage space. With its robust construction and smooth operation, the Dpofirs Hydraulic Brake Caliper Bracket Kit ensures a reliable braking system for your mini bike.