Brake Rotor/Disc

Disc Brake Component Specifications

Specification Application Metric / English

Front Brakes JC3/JC4

Rotor Discard Thickness 27.50 mm / 1.083 in
Rotor Minimum Allowable Thickness After Refinish 28.0 mm / 1.102 in
Rotor Thickness (new) 29.0 mm / 1.142 in
Rotor Maximum Allowable Lateral Runout 0.05 mm / 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm / 0.059 in
Rotor Maximum Allowable Thickness Variation 0.025 mm / 0.001 in

Front Brakes JH2

Rotor Discard Thickness 27.50 mm / 1.083 in
Rotor Minimum Allowable Thickness After Refinish 28.0 mm / 1.102 in
Rotor Thickness (new) 29.0 mm / 1.142 in
Rotor Maximum Allowable Lateral Runout 0.05 mm 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm / 0.059 in
Rotor Maximum Allowable Thickness Variation 0.025 mm / 0.001 in

Front Brakes JH6

Rotor Discard Thickness 36.50 mm / 1.437 in
Rotor Minimum Allowable Thickness After Refinish 37.0 mm / 1.457 in
Rotor Thickness (new) 38.0 mm / 1.496 in
Rotor Maximum Allowable Lateral Runout 0.05 mm / 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm / 0.059 in
Rotor Maximum Allowable Thickness Variation 0.025 mm / 0.001 in

Rear Brakes JC4

Rotor Discard Thickness 28.5 mm 1.122 in
Rotor Minimum Allowable Thickness After Refinish 29.0 mm 1.142 in
Rotor Thickness (new) 30.0 mm 1.181 in
Rotor Maximum Allowable Lateral Runout 0.05 mm 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation 0.025 mm 0.001 in

Rear Brakes JH2

Rotor Discard Thickness 28.5 mm / 1.122 in
Rotor Minimum Allowable Thickness After Refinish 29.0 mm / 1.142 in
Rotor Thickness (new) 30.0 mm / 1.181 in
Rotor Maximum Allowable Lateral Runout 0.05 mm / 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm / 0.059 in
Rotor Maximum Allowable Thickness Variation 0.025 mm / 0.001 in

Rear Brakes JH6

Rotor Discard Thickness 27.5 mm / 1.083 in
Rotor Minimum Allowable Thickness After Refinish 28.0 mm / 1.102 in
Rotor Thickness (new) 29.0 mm / 1.142 in
Rotor Maximum Allowable Lateral Runout 0.05 mm / 0.002 in
Rotor Maximum Allowable Scoring 1.50 mm / 0.059 in
Rotor Maximum Allowable Thickness Variation 0.025 mm / 0.001 in