https://squareblogs.net/basese....x67/this-is-how-bifo
Bifold Door Roller Replacement Suitable for bifold doors, these rollers are made from stainless steel and resist wear and breakage for long-term use. They have a large capacity for load bearing to support 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 door panels that weigh up to 30 pounds. It fits System S1000 aluminum profiles. How to identify a broken roller on a bifold door Bifold doors are an excellent storage solution