I got official information from Thrustmaster support. "Thank you Rafal for your enquiry and for contacting our Thrustmaster technical support. The TM COMPETITION WHEEL Add-On Sparco P310 Mod and TM Open Wheel Add-on are official Thrustmaster rims and as such they will work with the T-LCM. We wish you a pleasant day and remain at your disposal for any further information. Kind regards, Your Thrustmaster Customer Support Agent, Jessica"