Middle Atlantic RIB Series Riser Base

A rack base decides whether the frame rolls, sits on a riser, or is anchored for seismic duty, and it sets the finished height of everything above it. RIB Series Riser Base is the base option, ordered to match the frame's footprint.

24 part numbers on this page, RIB-1-BGR-32 through RIB-4-MRK-36, covering 22 - 92.09 in wide, 2.5 - 3 in high. Every part number listed here is a current Middle Atlantic item; pick the one that matches your frame and we ship it as ordered.