A pivot assembly for a shower door includes a hub, and a linkage having a first end and second end, where the first end is configured to couple to the hub. The assembly also includes a first pin connection coupled to the first end of the linkage and to a first clamp, and a second pin connection coupled to the second end of the linkage and to a second clamp, where each of the first pin connection and the second pin connection include a plurality of apertures, and where a configuration of the plurality of apertures is based on a configuration of the pivot assembly.