Thule Thru Axle M12 x 1.75 185 198mm

"The Thru Axle M12 x 1.75 185 198mm from Thule is the ideal solution for all cyclists who want to connect their bike trailer to their bike safely and easily. This adapter for 12-mm rear axles enables quick and easy installation, so you don't lose any precious time when you're out and about with your bike and trailer"
"Thanks to its compatibility with a wide range of Thule products, including the Thule Cadence, Thule Chariot Cab, Thule Coaster XT and many more, this adapter offers great flexibility for different bike trailers. Whether you use the Thule Chariot Cross or the Thule Chariot Sport, this Thru Axle fits perfectly and ensures a secure connection."
"Developed for cyclists who value reliability and ease of use, this adapter is an indispensable accessory for your bicycle equipment. With the Thru Axle M12 x 1.75 you can be sure that your trailer will remain safe and stable even on demanding bike tours."