This is a highly detailed version of the cycle (bicycle) wheels.

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PSD file with unwrapped textures included as well.

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Unwrapped model ready to change colors, textures, logos or materials.

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Model created in 3ds Max 2012.

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For thumbnails renders used V-Ray 2.0 renderer.

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Studio settings included as you see on preview images.

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Unwrapped textures at 4096x4096
UNWRAP UVW - Diffuse, Reflection, Bump
V-Ray materials used as a primary textures.
Standard materials for some reasonable results you need to adjust them yourself with including textures.
Model exported to *.fbx, *.obj, *.3ds

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Real dimensions of product.
No Ngons - just tris and quads.
Proper description for all parts of model.
Proper description for textures.
Model centered on 0,0,0.
Clean mesh and topology.

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Do not forget to check my other products.