Item 4520211 has must read information.
: This wheel/tire assembly is no longer available. A non-marking replacement is not available. The following replacements are black marking tires. For first time service of 4520211 (LH) or 4520210 (RH), all four assemblies must be replaced with new design assemblies. Purchase: qty. (2) 1001232260 Right Wheel/Tire Assembly and qty. (2) 1001232261 Left Wheel/Tire Assembly. To determine if wheel/tire has previously been replaced, identify wheel/tire assemblies on machine as follows: Old design assemblies have 20 replaceable tire segments. The new design has one set of holes around the outer sidewall of the tire and does not have replaceable segments.
