Attachment Compatability
Bench/Rack attachment ports Size list
Measurements below are for the frame attachment port (female bench port) I.D. in inches. The male tube O.D. is typically 0.05-0.1 inches smaller.
1.6”
1.7”
REP Fitness AB5000 Bench (discontinued, replaced by BlackWing)
1.8”
Prime Fitness Stability Pad Attachment (1.78”)
Force 6 Fitness Flex Arm Attachment
2.0”
GetRX’d RX3 Optimus Military Back Pad