This model is compatible with thru-axles. I installed it in my car once, but I also bought a bike carrier that attaches to the outside of the car, so I'm selling this one since I won't be using it. Therefore, I have never actually secured a bicycle with it. The wheel holder is unopened. Convenient aluminum MINOURA bicycle carrier with wheel holder. - Brand: MINOURA - Type: Bicycle carrier - Included: Wheel holder - Features: Aluminum, red and black design