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Bifold Door Roller Replacement Suitable for bifold doors These rollers are constructed of stainless steel and resist wear and breakage for a long-term use. They have a high capacity for carrying the weight of your doors, and are easy to set up. This top-quality nylon roller guide is made to be used in bi-fold doors weighing up 30 pounds. It can be used with aluminum profiles from System S1000. How do you identify broken rollers on a bifold door Bifold doors are ideal for saving space in closets. However, they c