NAMP 416A St Louis ribs
By Bob Oros
A St Louis rib is a 4.5 lb to a 4.9 spare rib that has been trimmed,sometimes called “trimmed rib”, with the breast bone is removed making it easy to cut between the ribs. A St Louis spare rib is designed to resemble a back rib and give better yield and plate coverage.
The weight range of this "trimmed rib/St Louis rib is:
The smaller the size, the higher the price.