I have a small feeling they might be bundling it with the upcoming DD wheel base. I. The meanwhile I snagged a restock of the open wheel add on here

NEW! Thrustmaster TM Open Wheel Add-On (Xbox One) https://www.amazon.com/dp/B07NZWDH7B/ref=cm_sw_r_cp_api_glt_fabc_AY8SK3DWA23405TY0JQM?_encoding=UTF8&psc=1