Thickness: 18,4 mm, Appr. stamp: R90 Homologated, Length: 178 mm, Number of wear indicators: 4 Per axle, Height 1: 62,5 mm, Height 2: 63 mm, with acoustic wear warning, without accessories, Brake System: ATE, Length 1: 160 mm, WVA Number: 23064, WVA Number: 23066, WVA Number: 23067