Sci-Fi concept Bike 3D model is available on CGTrader for $30. Original author: jishnukamalbora70. Specs: 1615836 polys, 1623392 verts.
STL (Stereolithography, filesize: 19.7 MB), OBJ (OBJ, filesize: 32.9 MB), MA (Autodesk Maya, filesize: 30.6 MB), BLEND (Blender, filesize: 277 MB), FBX (Autodesk FBX, filesize: 9.54 MB), DAE (Collada, filesize: 233 MB)