The RecRac Tower Assembly crossbars are 1 ½” square with a ½” slot on both top and bottom, running the full 54” of length. You can use the slot to mount accessories such as a bike rack, or canopy, or use the entire bar...

The RecRac Tower Assembly crossbars are 1 ½” square with a ½” slot on both top and bottom, running the full 72” of length. You can use the slot to mount accessories such as a bike rack, or canopy, or use the entire bar...