The bore size is 5/8 inch, the center to center distance between two mounting hole is 30mm, fit TOMBERLIN Golf cart E-merge series 500, E2 SE, E2 LE, E2 SS,SS COUPE,E2 REVENGE and E4 LE PLUS, E4 REVENGE,SS SALOON,GHOSTHAWK , it is universal and fit many brand golf cart comes with rear drum brake.

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