How big is the cushion gap on the ForceUSA MyBench? Keaton October 30, 2023 16:33 Follow The gap between the seat cushion and the back pad on the ForceUSA MyBench is 2.5 inches wide. Related articles How Tall is the Force USA MyBench? Is there an Assembly Video for the Force USA G20? How Much Does the G3 Smith Machine Barbell Weigh? Comments 0 comments Please sign in to leave a comment.