This is a foot mounted brake cylinder and attached single caliper double piston assembly, most commonly used for 50cc to 250cc ATVs.
Hose Length: 41.5cm
Master Cylinder: 9cm
Master Cylinder Plunger: 11.5cm
Caliper Mounting Holes (center to center): 4.5cm
Caliper Mounting Holes (Threaded): M8
Associated Parts:
90A7027 Brake Caliper - 100mm
90D1020 Brake Pads - 50cc to 250cc, Disk Brake, Small, Set