Realistic chain model . You can use this model for everything. Bicycle, motobike or machine like that.
One part chain : 940 PolysOne part chain with Turbosmooth 1 : 7520 Polys
it's made in 3ds max, render and material are vray.
MAX (Autodesk 3ds Max, filesize: 926 KB), OBJ (OBJ, filesize: 2.56 MB), FBX (Autodesk FBX, filesize: 1.72 MB)