Grimeca front brake caliper rebuild kit for scooter 50cc, original spare part 4810033578. Allows to restore the total efficiency of the brake caliper lost during the kilometers of use, it's recommended to completely replace the brake fluid. Content: 2pcs. gasket outer diam. 36.15mm; internal diameter 30.15mm; thickness 3,2mmN.1pcs. gasket outer diam. 12mm; internal diameter 8mm; thickness 2,1mm