Genuine FANATEC QR1 Base Side Type M For DD1 / DD2 wheel bases. With Z-Ring
Z-RING - is a modification to improve/reduce play in the adaptor. A really good modification for the QR1, you can also convert back to original without Z-Ring, parts are in picture.
The Z-Ring increases the stability of you Fanatec rim loaded onto the Fanatec Podium DD1/DD2 QR system WITHOUT THE NEED TO USE THE LOCKING SCREW which is much more convenient when you have more than one wheel and want to change it quickly and that’s also the big interest of a QR system. Your rim feel more sturdy to get a better ffb feedback.