FOR VAUXHALL ASTRA H VXR NURBURGRING EDITION FRONT REAR BRAKE DISCS BREMBO PADS Front disc reference: TX051 Front disc diameter: 321 mm Front disc thickness: 28 mm Front disc type: painted silver Front disc style: Grooved and slotted Brembo front pads Rear disc part number: TX056 Rear disc diameter: 278 mm Rear disc thickness: 10 mm Rear disc type: Painted silver Rear disc style: Grooved and slotted Brembo rear pads.