The wheels were modelled in Blender 3.1 and updated in 4.5.0. They're modelled in seperate pieces so that you can easily adjust their depth.
NOTE: The barrel & valve stem aren't subdivided in the exported file formats
OBJ (OBJ, filesize: 5.28 MB), BLEND (Blender, filesize: 33.1 MB), OTHER (Other, filesize: 622 Bytes), FBX (Autodesk FBX, filesize: 2.86 MB), PNG (PNG, filesize: 1.17 MB)