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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Brake System) >> General Description >> Specification >> Front Disc Brake
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Front Disc Brake

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Item Specification
Size 17-inch
Type Floating 2-POT piston type Ventilated disc
Effective cylinder diameter mm (in) 40.4 (1.591)
Pad dimension (Length x Width x Thickness) mm (in) 117.8 x 50.5 x 11
(4.638 x 1.988 x 0.433)
Pad thickness mm (in) Standard 11 (0.43)
Limit 1.5 (0.059)
Effective disc diameter mm (in) 265 (10.43)
Rotor dimension (Outer diameter x Thickness) mm (in) 316 x 28 (12.44 x 1.1)
Disc thickness mm (in) Standard 28 (1.1)
Limit 26 (1.02)
Disc runout mm (in) Standard -
Limit 0.05 (0.002)
Clearance adjustment Automatic adjustment