Disc Brake Component Specifications

Application	Specification
Application	Metric	English
Front Brake Rotors (Base)
Rotor Diameter	298 mm	11.732 in
Rotor Discard Thickness	28 mm	1.102 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.5 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.02 mm	0.001 in
Rotor Minimum Thickness after Refinishing	28.75 mm	1.132 in
Rotor Thickness New	30 mm	1.181 in
Front Brake Rotors (GT)
Rotor Diameter	321 mm	12.638 in
Rotor Discard Thickness	28 mm	1.102 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.5 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.02 mm	0.001 in
Rotor Minimum Thickness after Refinishing	28.75 mm	1.131 in
Rotor Thickness New	30 mm	1.181 in
Front Brake Rotors (GXP)
Rotor Diameter	355 mm	13.976 in
Rotor Discard Thickness	30 mm	1.181 in
Rotor Maximum Allowable Assembled Lateral Runout	0.06 mm	0.002 in
Rotor Maximum Allowable Scoring	1.5 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rotor Minimum Thickness after Refinishing	30.75 mm	1.211 in
Rotor Thickness New	32 mm	1.26 in
Rear Brake Rotors (Base)
Rotor Diameter	302 mm	11.890 in
Rotor Discard Thickness	20 mm	0.787 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.5 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.02 mm	0.001 in
Rotor Minimum Thickness after Refinishing	20.75 mm	0.817 in
Rotor Thickness New	22 mm	0.866 in
Rear Brake Rotors (GT and GXP)
Rotor Diameter	324 mm	12.751 in
Rotor Discard Thickness	20 mm	0.787 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.5 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.02 mm	0.001 in
Rotor Minimum Thickness after Refinishing	20.75 mm	0.817 in
Rotor Thickness New	22 mm	0.866 in