Thule Upride Around The bar Adapter

"The Bike Rack Around-the-bar Adapter from Thule is the ideal solution for anyone who wants to mount their bike rack securely and stably on various crossbars. This versatile adapter is specially designed to provide a firm hold on both rectangular and round aluminum crossbars. Thanks to its universal fit, it can also be easily attached to most other crossbars on the market. Whether for a weekend trip or a long bike tour, this adapter ensures that your bike carrier remains securely and reliably mounted"
"Made from high-quality materials, the adapter ensures a long service life and at the same time offers easy handling. Installation is straightforward so that you are quickly ready for your next bike tour. Thule's sophisticated design ensures that the adapter provides a stable connection even at high speeds and on uneven roads"