A model of a tire, in two kinds of render setup: vray and mental ray renders !!! Created in low-res and applied a mesh-smooth modifier.
This scene contain the model, light setup (light object and hdri image), render setup, material and a camera !!!
This model is part of the " 50 tires PACK " and the " 101 models PACK (51 wheels + 50 tires) "!

poly count:
tire 45 (tire- 5.924 polys, 5.968 verts) (chain- 633.024 polys, 633.024 verts)
tire 45 smoothed (tire- 95.136 polys, 95.136 verts) (chain- 633.024 polys, 633.024 verts)