This is the one single brake disc. If you plan to change discs on the entire axle then you should buy two products.
Dimensions and size
|Brake Disc Thickness||9||mm|
|for article number||08.A147.10|
|Number of Holes||5|
|Supplementary Article/Info 2||with screws|
|Brake Disc Type||Solid|
|Tightening Torque||108 Nm|