Only installed and tested on a real vehicle once, so it's practically new. For thru-axle. Includes a separately sold wheel support and a quick release to attach the wheel to the wheel support. Quoting from Rakuten below: ● Virgo compatible with 12mm and 15mm thru-axles ● Front wheel mounting method is a 100mm hub width thru-axle type ● Suitable for those who mainly carry only one bike, or for small cars with limited interior space, etc. - a single-bike carrier