Brake Rotor/Disc

Front Brake Disc
Minimum thickness
E-150 29.2 mm (1.14 inch)
E-250, E-350 28.0 mm (1.1 inch)
E-450 28.0 mm (1.1 inch)
Minimum thickness to machine
E-150 29.8 mm (1.17 inch)
E-250, E-350 28.6 mm (1.12 inch)
E-450 28.6 mm (1.12 inch)

Rear Brake Disc
Minimum thickness
E-150 20.4 mm (0.8 inch)
E-250, E-350 28.0 mm (1.1 inch)
E-450 36.3 mm (1.42 inch)
Minimum thickness to machine
E-150 21.0 mm (0.82 inch)
E-250, E-350 28.6 mm (1.12 inch)
E-450 36.9 mm (1.45 inch)