Products Introduce The crane travelling wheels are the most important parts in traveling unit and also are the most vulnerable parts due to the strong impact and wear between wheel and rail. Flange wear, flange breakage and fatigue pitting are the frequently encountered problems. When the crane travelling wheels are broken, the repair and replacement are complex and very time-consuming. Advantages High tolerance; High tensile strength; Safety and flexibility; Large wheel pressure and heavy load capacity; High strength & durable to use.