J-Cups for the Rogue RM‑4 Monster Rack 2.0
11 options that fit the RM-4 Monster Rack 2.0’s 3×3" uprights and 1" holes. Confirmed ones are listed first.
Fringe Sport 3x3 J-CupsConfirmedFringe Sport sells it for the RM-4 Monster Rack 2.0.
24.5mm pin. Fringe lists Rogue Monster, REP PR-5000 and Titan Series racks as compatible.
Rogue sells it for the RM-4 Monster Rack 2.0.
A separate version exists for 5/8 Monster Lite racks.
Rogue Monster J-CupsConfirmedRogue sells it for the RM-4 Monster Rack 2.0.
Rogue: built only for 3x3 Monster tubing, not Monster Lite.
REP Flat Sandwich J-Cups 2.0 (5000 Series)Fits per specs3x3" uprights, 1" pin in 1" holes.
Larger opening for specialty bars. Pin size from REP's 5000 series spec.
Synergee J-CupsFits per specs3x3" uprights, 1" pin in 1" holes (ships with 5/8" and 1" pins).
Sold in 2x2, 2x3 and 3x3 versions with a converter for 5/8" or 1" holes: order the one for your uprights.
REP Round Sandwich J-Cups 2.0 (5000 Series)Fits per specs3x3" uprights, 1" pin in 1" holes.
Bars under 50mm. Pin size from REP's 5000 series spec.
Bells of Steel Standard J-Cups (Manticore)Fits per specs3x3" uprights, 1" pin in 1" holes.
Sold in Hydra and Manticore versions; pick the one for your hole size.
REP Standard J-Cups 2.0 (5000 Series)Fits per specs3x3" uprights, 1" pin in 1" holes.
REP does not guarantee fit on other brands.
Titan TITAN Series Roller J-HooksFits per specs3x3" uprights, 1" pin in 1" holes.
26mm pin. Titan: fits TITAN Series and some other 3x3 racks.
Titan TITAN Series Sandwich J-HooksFits per specs3x3" uprights, 1" pin in 1" holes.
Pin size from the TITAN Series spec.
Sorinex XL Series J-CupsFits per specs3x3" uprights, 1" pin in 1" holes.
Sorinex lists them for 3x3 tubing with 1" holes (Base Camp, XL and Dark Horse racks). The post goes all the way through the upright.