Price search results for Tubus Adapter set for QR axle mounting
Unfortunately, your 20mm thru-axle won't mount on your QR-mount bike rack. The Thule Thru-Axle Fork adapter solves the problem quickly, easily, and inexpensively. The Thru-Axle Adapter works on any QR-mount...
Thule Car Racks Thru-Axle Adapter-15 mm 53015.