HEAVY DUTY Cart Go Kart Disc Brake KIT 6″ ROTOR Caliper Mounting Bracket – $1 like Free Shipping

Includes:

Complete disc brake caliper with floating mounting bracket you assemble, and 1” keyed rotor, 6” diameter with set screw. 

Can be set up however you want the actuator arm to operate.  Assemble instructions included.

Photo shows complete caliper kit for view only.