Disc Brake Component Specifications

Rotor Discard Thickness * 25.6 mm 1.00 in
Rotor Thickness (new) 27.0 mm 1.06 in
Rotor Maximum Allowable Lateral Runout 0.050 mm 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation 0.050 mm 0.002 in

* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum thickness specifications.