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Disc Brake Component Specifications

Application Specification
Metric English
Front Brakes 
  • Rotor Discard Thickness*
 38.0 mm 1.496 in
  • Rotor Maximum Allowable Assembled Lateral Runout
 0.05 mm 0.002 in
  • Rotor Maximum Allowable Scoring
 1.50 mm 0.059 in
  • Rotor Maximum Allowable Thickness Variation
 0.009 mm 0.00035 in
  • Rotor Minimum Allowable Thickness After Refinish
 38.5 mm 1.515 in
  • Rotor Thickness (NEW)
 40.0 mm 1.575 in
Rear Brakes 
  • Rotor Discard Thickness*
 18 mm 0.709 in
  • Rotor Maximum Allowable Assembled Lateral Runout
 0.05 mm 0.002 in
  • Rotor Maximum Allowable Scoring
 1.50 mm 0.059 in
  • Rotor Maximum Allowable Thickness Variation
 0.006 mm 0.00024 in
  • Rotor Minimum Allowable Thickness After Refinish
 18.5 mm 0.728 in
  • Rotor Thickness (NEW)
 20.0 mm 0.787 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.
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