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||8||mm|
|Rim Hole Number||4 -Hole|
|Supplementary Article/Info 2||without wheel bearing|
|Supplementary Article/Info 2||without ABS sensor ring|
|Brake Disc Type||Solid|