Plate & Bar Storage for the REP PR‑4100 Folding Squat Rack
9 options that fit the PR-4100 Folding Squat Rack’s 3×3" uprights and 5/8" holes. Confirmed ones are listed first.
Bells of Steel Bolt-On Plate Pegs (Hydra)Fits per specs3x3" uprights, 5/8" pin in 5/8" holes.
5" or 13". Two-bolt mount; Bells of Steel doesn't publish the bolt spacing.
Bells of Steel Change Plate Storage Pegs (Hydra)Fits per specs3x3" uprights, 5/8" pin in 5/8" holes.
Two-bolt mount, 8" sleeves. Mount with the pegs at the top.
Rogue Monster Lite Double Change Plate StorageFits per specs3x3" uprights, 5/8" pin in 5/8" holes.
Rogue: only for 3x3 Monster Lite uprights with 5/8" holes. Hitch-pin mount.
Bells of Steel Pin Plate Pegs (Hydra)Fits per specs3x3" uprights, 5/8" pin in 5/8" holes.
Drop-in pegs, 12.5" loadable. A buyer reports they also work on Rogue 3x3 uprights.
Titan T-3 or X-3 Series Vertical Mount Barbell HolderFits per specs3x3" uprights, 5/8" pin in 5/8" holes.
Pin size from the series spec.
Titan T-3 or X-3 Series Weight Plate Holders (4-Pack)Fits per specs5/8" pin in 5/8" holes.
Pin size taken from the series hardware (5/8).
Bells of Steel Vertical Mount Barbell Holder (Hydra)Fits per specs3x3" uprights, 5/8" pin in 5/8" holes.
Two-bolt mount. Needs about 9 ft of ceiling for a standard bar.
REP Weight Horns (4000 Series)Fits per specs3x3" uprights, 5/8" pin in 5/8" holes.
Mounts like a J-cup. Pin size from REP's 4000 series spec.
Synergee Weight Plate Storage PegFits per specs3x3" uprights, 5/8" pin in 5/8" holes (ships with 5/8" and 1" pins).
Held in by its own weight, no pins. Sold in 2x2, 2x3 and 3x3 versions with a converter for 5/8" or 1" holes: order the one for your uprights.