Crankshaft P/N 59030018500 removed from a 2003 450MXC. This crankshaft will fit KTM RFS engine bikes. It is in very nice condition. This is a 72mm stroke crankshaft. The crank web measures 65.01mm at the rod journal and 65.17mm 180 degrees opposite the journal. There are no signs of excessive heat, and there is no measurable radial play in the big end bearing. Casting number is B043 7131 59. Will fit the bikes listed below that have a 72mm stroke crankshaft.