Pre-beta — tell us what breaks.
FLEXMARKSTHESPOT

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Building on the Bells of Steel Manticore Collegiate Power Rack - Prebuilt (3" x 3", 1" Holes) Beta

Every attachment below is checked for fit against this rack. Add the ones you want to your rack — nothing is saved until you copy it into a build.

FMTS aggregates fit evidence from specifications, owners, manufacturers, and occasional first-party testing. A fit report documents that parts mate; it is not a certification that a product is safe to load.

Rack Attachments

The guide · 1 of 1What are you looking to add to your rack?
J-Cupsmade for your rack first, then likely fits — each group by price

Bar catches that hold the loaded bar at rack height. Confirm peg count — some roller J-hooks use a two-hole hitch pin.

Bells of SteelStandard J-Cups
J-Cups3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$69.99
Bells of SteelRoller J-Cups
J-Cups3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$81.99
Bells of SteelSandwich J-Cups
J-Cups3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$87.99
Rogue FitnessMonster J-Cup Pairs
J-Cups3x3 1in
fitslisted for the same mounting ecosystemmatches as the RA1469 variantbased on matching specs — not physically confirmed
$150
GhostGhost Roller J-Cup 2.0 - 1" Pin
J-Cups3x3 1in
fitslisted for the same mounting ecosystembased on matching specs — not physically confirmed
$255
REP FitnessStandard J-Cups 2.0
J-Cups75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$79.99
Get RX'dRX3 J-Cups
J-Cups75x75mm / 25mm
needs verificationno evidence yet
$80
REP FitnessLowered J-Cups 2.0
J-Cups75x75mm / 25mm
needs verificationno evidence yet
$89.99
FringeSportJ-Cups 3x3 Pair
J-Cups75x75mm / 25mm
needs verificationno evidence yet
$92
REP FitnessFlat Sandwich J-Cups 2.0
J-Cups75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$105.99
REP FitnessRound Sandwich J-Cups 2.0
J-Cups75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$111.99
Get RX'dRX3 Sandwich J-Cups
J-Cups75x75mm / 25mm
needs verificationno evidence yet
$150
REP FitnessStandard J-Cups (1000 Series)
J-CupsREP 1000 Series
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$59.99
Titan FitnessT-2 Series J-Hooks
J-Cups50x50mm / 25mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$69.97
Rogue FitnessInfinity J-Cup Set
J-Cups2x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$80
Titan FitnessT-3 Series J-Hooks
J-Cups50x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$84.97
Titan FitnessT-3 Series Sandwich J-Hooks
J-Cups50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$89.97
Rogue FitnessMonster Lite J-Cup Pair - Standard
J-Cups3x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$95
Titan FitnessX-3 Series Sandwich J-Hooks
J-Cups75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$99.97
REP FitnessRound Sandwich J-Cups
J-Cups75x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$99.99
Titan FitnessX-3 Series Quick Release Roller J-Hooks
J-Cups75x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$104.97
Titan FitnessX-3 Series J-Hooks
J-Cups75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$104.99
Titan FitnessT-2 Series Sandwich J-Hooks
J-Cups50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$124.99
PRx PerformancePRx 3x3 Sandwich J-Cups
J-Cups3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$139.99
Rogue FitnessMonster Lite J-Cup Pair - 1" Sandwich
J-Cups3x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$185
GhostGhost Roller J-Cup 2.0 - 5/8" Pin
J-Cups3x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$215
Rogue FitnessMonster Lite J-Cup Pair - 2" Sandwich
J-Cups3x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$215
Safetiesmade for your rack first, then likely fits — each group by price

Spotter arms, pin-pipe, strap, and flip-down safeties that catch a failed lift.

Bells of SteelPin Pipe Safeties
Spotter Arms3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$78.96
Bells of SteelSpotter Arms Rack Attachment
Spotter Arms3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$142.99
Bells of SteelFlip-Down Safeties
Spotter Arms3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$202.99
REP FitnessStrap Safeties 2.0
Strap SafetiesREP 1000 Series, 75x75mm / 25mm
fitsspecs matchbased on matching specs — not physically confirmed
$95.99
Rogue FitnessMonster Pin and Pipe Safety Sets
Pin/Pipe Safeties3x3 1in
fitslisted for the same mounting ecosystemmatches as the RA0258 variantbased on matching specs — not physically confirmed
$120
Rogue FitnessMonster Safety Strap System 2.0
Strap Safeties3x3 1in
fitslisted for the same mounting ecosystemmatches as the RA0619-BLACK-MG variantbased on matching specs — not physically confirmed
$265
Rogue FitnessMonster Safety Spotter Arms 2.0
Spotter Arms3x3 1in
fitslisted for the same mounting ecosystembased on matching specs — not physically confirmed
$310
Rogue FitnessMonster 43" Flip-down Safeties (Pair)
Flip Down Safeties3x3 1in
fitslisted for the same mounting ecosystembased on matching specs — not physically confirmed
$385
REP FitnessPin-Pipe Safeties
Pin/Pipe SafetiesREP 1000 Series, 75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$36
REP FitnessFlip-Down Safeties
Flip Down SafetiesREP 1000 Series, 75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$149.99
REP FitnessSpotter Arms
Spotter Arms75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$159.99
FringeSportSafety Spotter Arms 3x3
Spotter Arms75x75mm / 25mm
needs verificationno evidence yet
$199
Get RX'dRX3 Spotter Arms
Spotter Arms75x75mm / 25mm
needs verificationno evidence yet
$200
Titan FitnessTitan Series Spotter Arms
Spotter Arms75x75mm / 25mm
needs verificationno evidence yet
$319.97
REP FitnessAltitude™ Strap Safeties
Strap SafetiesRep Altitude
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$67.99
Rogue FitnessInfinity / Monster Lite Pin & Pipe Safeties
Pin/Pipe Safeties2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$90
REP FitnessStrap Safeties
Strap Safeties75x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$103.99
Titan FitnessT-3 Series Spotter Arms
Spotter Arms50x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$109.97
Titan FitnessT-3 Series Flip-Down Safety Bars
Flip Down Safeties50x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$124.97
Titan FitnessT-3 Series Safety Straps
Spotter Arms50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$129.97
Titan FitnessT-2 Series Spotter Arms
Spotter Arms50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$139.99
Titan FitnessX-3 Series Safety Straps
Strap Safeties75x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$144.97
Titan FitnessX-3 Series Spotter Arms
Spotter Arms75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$144.97
Titan FitnessT-2 Series Safety Straps
Spotter Arms50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$164.97
Rogue FitnessInfinity Safety Spotter Arms
Spotter Arms2x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$165
Rogue FitnessMonster Lite Strap Safety System 2.0
Strap Safeties3x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$235
EliteFTSRack Safety Straps
Spotter ArmsElitefts 3x3 3/4in Side
incompatiblelisted for a different mounting ecosystem
$447
Monoliftmade for your rack first, then likely fits — each group by price

Swing-away catches so you walk out without stepping back.

Rogue FitnessAM-2 Adjustable Monolift 2.0 - Monster
Monolift3x3 1in
fitslisted for the same mounting ecosystembased on matching specs — not physically confirmed
$415
Titan FitnessX-3 Series Adjustable Monolift Attachments
Monolift75x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$199.97
Bells of SteelMonolift Rack Attachment
Monolift3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$263.96
EliteFTSelitefts Monolift Attachment
MonoliftElitefts 3x3 3/4in Side
incompatiblelisted for a different mounting ecosystem
$530
Pull-Up & Gripmade for your rack first, then likely fits — each group by price

Pull-up bars and specialty grip handles.

Rogue FitnessMonster Shackle
Adapter3x3 1in
fitslisted for the same mounting ecosystem
$48
Rogue FitnessMonster Squat Handle Pair
Grip Handles3x3 1in
fitslisted for the same mounting ecosystem
$165
Rogue FitnessXM-433 Monster Fat/Skinny
Pull Up Bar3x3 1in
fitslisted for the same mounting ecosystem
$175
Rogue FitnessXM-70S Monster 70" Single
Pull Up Bar3x3 1in
fitslisted for the same mounting ecosystem
$180
REP FitnessShackle
Adapter75x75mm / 25mm
needs verificationno evidence yet
$39.99
REP Fitness1.25" Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$59.99
REP Fitness2" Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$69.99
REP FitnessCrossmember Pull-Up Bar
Pull Up Bar75x75mm / 25mm
needs verificationno evidence yet
$69.99
REP FitnessRaw Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$69.99
REP FitnessGlobe Side Mount Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$119.99
REP FitnessDouble Pull-Up Bar
Pull Up Bar75x75mm / 25mm
needs verificationno evidence yet
$139.99
REP FitnessMulti-Grip Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$139.99
REP FitnessGlobe Front Mount Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$179.99
Rogue FitnessMonster Lite Pull-up Spheres
Grip Handles2x3 5/8in, 3x3 5/8in
mounts to another attachment — no rack verdict
$65
Rogue FitnessDog Bone Pull-up Bar
Grip Handles
mounts to another attachment — no rack verdict
$97
REP FitnessPull-Up Bar Extension Brackets
Grip Handles75x75mm / 25mm
mounts to another attachment — no rack verdict
$134.99
Rogue FitnessRogue 12" Pull-up Globe
Grip Handles
mounts to another attachment — no rack verdict
$155
Rogue FitnessRogue SPEAL Pull-up Bar 2.0
Pull Up Bar2x3 5/8in, 3x3 5/8in
mounts to another attachment — no rack verdict
$160
Rogue FitnessX-431 Single 1.25" Pull-up Bar
Pull Up Bar2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$115
Rogue FitnessRogue 43" Fat/Skinny Pullup Bar
Pull Up Bar2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$135
Rogue FitnessRogue 70" Single Pull-up Bar 2.0
Pull Up Bar2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$160
Rogue FitnessRogue Crown Pull-up Bar
Grip Handles2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$270
Rogue FitnessRogue Rig Mount Parallel Bars
Grip Handles2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$310
Lever Armmade for your rack first, then likely fits — each group by price

Jammer arms, belt-squat, and branded utility pads — often proprietary to the rack line.

Bells of SteelLever Arms Rack Attachment
Jammer Lever Arms3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$199.99
Rogue FitnessMonster Pritchett Pad
Utility Pad3x3 1in
fitslisted for the same mounting ecosystem
$320
Prime FitnessPRODIGY | SMART ARM
Jammer Lever Arms3x3 1in
fitslisted for the same mounting ecosystem
$1250
REP FitnessISO Arms
Jammer Lever Arms75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$559.99
Maxum FitnessMaxum Flexcurve Lever Arms
Jammer Lever Arms75x75mm / 25mm
needs verificationno evidence yet
$900
REP FitnessBelt Squat
Belt Squat
mounts to another attachment — no rack verdict
$309.99
Rogue FitnessAH-1 Articulating Handle Kit
Jammer Lever Arms3x3 1in
mounts to another attachment — no rack verdict
$570
Titan FitnessT-3 Series Adjustable Lever Arms
Jammer Lever Arms50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$284.97
Rogue FitnessMonster Lite Pritchett Pad
Utility Pad3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$300
Titan FitnessX-3 Series Adjustable Lever Arms
Jammer Lever Arms75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$314.97
Cable & Pulleymade for your rack first, then likely fits — each group by price

Cable and pulley systems for functional and isolation work.

Bells of SteelSmith Machine Rack Attachment
Cable Pulley System3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$893.99
Prime FitnessPRODIGY | Lat Pulldown Seat
Cable Pulley System3x3 1in
fitslisted for the same mounting ecosystem
$350
Rogue FitnessMonster Slinger
Cable Pulley System3x3 1in
fitslisted for the same mounting ecosystem
$389
FringeSportSidewing Bottom Pulley
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$69
Get RX'dRX3 Lat Pulldown Seat
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$135
Vesta FitnessLat Pull Down Extender Arm
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$144.49
Vesta FitnessPioneer Adjustable Lat Seat
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$297.49
FringeSportKodiak Cable Belt Squat
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$349
FringeSportSidewing Pulley System
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$449
REP FitnessAres 2.0 Builder
Cable Pulley System75x75mm / 25mm
needs verificationno evidence yet
$2999.99
REP FitnessAres Weight Stack Upgrade
Cable Pulley SystemREP Ares 1.0
mounts to another attachment — no rack verdict
$292.49
REP FitnessAres 2.0 Weight Stack Upgrade
Cable Pulley SystemREP Ares 2.0
mounts to another attachment — no rack verdict
$324.99
PRx PerformanceProfile Lat Pulldown Attachment
Cable Pulley System3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$249.99
Rogue FitnessMonster Lite Slinger
Cable Pulley System3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$378
REP FitnessAltitude™ Cable Attachment
Cable Pulley SystemRep Altitude
incompatiblelisted for a different mounting ecosystem
$1878.49
Landminemade for your rack first, then likely fits — each group by price

Pivoting barbell anchor for rotational and pressing movements.

Bells of SteelLandmine Rack Attachment
Rope Anchor3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$88.99
Rogue FitnessMonster Landmine 2.0
Landmine3x3 1in
fitslisted for the same mounting ecosystem
$165
Vesta FitnessLandmine Attachment 1"
Rope Anchor75x75mm / 25mm
needs verificationno evidence yet
$84.14
REP FitnessLandmine
Landmine
needs verificationno evidence yet
$99.99
Titan FitnessRack Mounted Landmine
Landmine50x75mm / 16mm, 75x75mm / 16mm, 75x75mm / 25mm, 50x50mm / 25mm
needs verificationno evidence yet
$99.99
Rogue FitnessRogue Landmines
Landmine2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$105
PRx PerformanceProfile Landmine Attachment
Rope Anchor3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$130.99
Storagemade for your rack first, then likely fits — each group by price

Rack-mounted plate horns, bar and dumbbell holders, band pegs, mag pins, and shelves. Free-standing storage lives in the Storage category.

Bells of SteelMagnetic Rack Attachment Pins
Plate Storage3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$31.99
Bells of SteelBand Pegs with Carabiners
Plate Storage3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$35.99
Bells of SteelUtility Horn Rack Attachment
Plate Storage3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$35.99
Bells of SteelPin Plate Pegs
Plate Storage3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$52.99
Bells of SteelChange Plate Storage Pegs
Plate Storage3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$64.99
Rogue FitnessMonster Attachment Post
Adapter3x3 1in
fitslisted for the same mounting ecosystem
$68
Rogue FitnessMonster Matador Hanger
Storage Shelves3x3 1in
fitslisted for the same mounting ecosystem
$70
Rogue FitnessMonster Single Bar Holder
Bar Storage3x3 1in
fitslisted for the same mounting ecosystem
$80
Rogue FitnessMonster Chain Hanger
Storage Shelves3x3 1in
fitslisted for the same mounting ecosystem
$132.50
Bells of SteelUtility Hook
Plate StorageUniversal
needs verificationno evidence yet
$14.99
REP FitnessBand Pegs 2.0
Band Pegs75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$23.99
REP FitnessBand Pegs
Band Pegs75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$34.99
REP FitnessWeight Horns
Plate StorageREP 1000 Series, 75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$34.99
Titan FitnessTitan Mag Pins
Mag Pins50x75mm / 16mm, 75x75mm / 16mm, 50x50mm / 25mm, 75x75mm / 25mm
needs verificationno evidence yet
$54.97
FringeSportStrong AF Magpin
Plate Storage75x75mm / 25mm
needs verificationno evidence yet
$69
REP FitnessBarbell Tube Stand
Bar Storage75x75mm / 25mm
needs verificationno evidence yet
$79.99
REP FitnessDual Barbell Hanger
Bar Storage75x75mm / 25mm
needs verificationno evidence yet
$79.99
REP FitnessWeight Storage Horn Sets
Plate Storage75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$259.99
Rogue FitnessMonster Knurled Knob
Adapter1in
mounts to another attachment — no rack verdict
$28
REP FitnessUtility Horn
Specialty Utility25mm
mounts to another attachment — no rack verdict
$54.99
REP FitnessPeg Boards
Storage Shelves
mounts to another attachment — no rack verdict
$399.99
REP FitnessStorage Wings
Storage Shelves75x75mm / 25mm
mounts to another attachment — no rack verdict
$659.99
Titan FitnessX-3 Series Shackles
Plate Storage75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$59.97
Titan FitnessT-3 Series Shackles
Plate Storage50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$64.97
Rogue FitnessMonster Lite Chain Hanger
Storage Shelves3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$70
Rogue FitnessMonster Lite Matador Hanger
Storage Shelves3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$70
Titan FitnessT-2 Series Dumbbell Holders
Plate Storage50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$99.97
Titan FitnessT-2 Series Weight Plate Holders
Plate Storage50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$114.99
Titan FitnessT-3 Series Dumbbell Holders
Plate Storage50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$124.97
REP Fitness1000-Series Weight Storage
Plate StorageREP 1000 Series
incompatiblelisted for a different mounting ecosystem
$229.99
Conditioningmade for your rack first, then likely fits — each group by price

Dip stations, leg curl/extension, rope anchors, bag mounts, and other accessory work.

Bells of SteelY Dip Bar Rack Attachment
Dip Attachment3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$119.99
Bells of SteelSeal Row Pad Rack Attachment
Dip Attachment3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$183.99
Rogue FitnessRogue Mobility Hand
Dip Attachment3x3 1in
fitslisted for the same mounting ecosystem
$60
Prime FitnessPRODIGY | Ball Target
Dip Attachment3x3 1in
fitslisted for the same mounting ecosystem
$85
Rogue FitnessMonster Matador
Dip Attachment3x3 1in
fitslisted for the same mounting ecosystem
$195
REP FitnessDip Attachment 2.0
Dip Attachment75x75mm / 25mm
fitsspecs matchmade for metric 75×75 mm uprights — may sit snug on this rack's true 3×3" (76.2 mm) uprights
$199.99
Prime FitnessPRODIGY | Step-Up Platform
Dip Attachment3x3 1in
fitslisted for the same mounting ecosystem
$200
Prime FitnessPRODIGY | Dip Attachment
Dip Attachment3x3 1in
fitslisted for the same mounting ecosystem
$300
Rogue FitnessRogue Velocidor
Dip Attachment
fitslisted for the same mounting ecosystemmatches as the RA2842-BLACK-TXT-SM variant
$310
Rogue FitnessRogue Multi-Use Rack Roller
Single Leg RollerSingle Peg
fitslisted for the same mounting ecosystemmatches as the RA3136-BLACK-MG variant
$325
Rogue FitnessMonster Hip Thruster Bench
Specialty Utility3x3 1in
fitslisted for the same mounting ecosystem
$330
Mutant MetalsUltimate Dip Attachment (UDA)
Dip Attachment3x3 1in, 3x3 5/8in
fitslisted for the same mounting ecosystemmatches as the RF1003-200C-TXT-MG-IL variant
$360
AbMatAbMat Padded Wall
Wall Ball TargetStrap
fitsspecs match
$445
Rogue FitnessRogue MILO
Specialty UtilityCrossmember Mounted
fitslisted for the same mounting ecosystemmatches as the MILO-M-E variant
$495
Torque FitnessTorque Fitness Relentless Rope XR
Specialty Utility3x3 1in, 3x3 5/8in, 75x75mm / 25mm, 75x75mm / 16mm
fitslisted for the same mounting ecosystem
$799
PRx PerformanceProfile 1" Halo Arms
Dip Attachment3x3 1in
fitslisted for the same mounting ecosystem
$838.99
Torque FitnessTorque Fitness Relentless Ripper
Specialty Utility3x3 1in, 3x3 5/8in, 75x75mm / 25mm, 75x75mm / 16mm
fitslisted for the same mounting ecosystem
$999
Torque FitnessTorque Fitness Relentless Rope
Specialty Utility3x3 1in, 3x3 5/8in, 75x75mm / 25mm, 75x75mm / 16mm
fitslisted for the same mounting ecosystem
$999
Rogue FitnessRogue Monster Stall Bars
Specialty Utility3x3 1in
fitslisted for the same mounting ecosystem
$1045
Rogue FitnessRogue Cargo Net - 12' x 18' - Black
Specialty Utility3x3 1in, 3x3 5/8in, 2x3 5/8in, Rogue Echo
fitslisted for the same mounting ecosystem
$1350
Get RX'dRX3 Plate Sleeve
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$35
REP FitnessLeg Roller 2.0
Leg Curl Extension75x75mm / 25mm
needs verificationno evidence yet
$89.99
Vesta FitnessDouble Wall Ball Target
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$93.49
Vesta FitnessFoot Plate
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$93.49
REP FitnessLeg Roller
Leg Curl Extension75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$99.99
REP FitnessWall Ball Target
Wall Ball Target75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$99.99
REP FitnessDip Station
Dip Attachment75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$129.99
Vesta FitnessDip Bar Attachment
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$152.99
REP FitnessDrop-In Dip Attachment
Dip Attachment75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$159.99
Vesta FitnessPioneer Series Dip Bar
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$161.49
FringeSport3x3 Dip Station
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$189
Vesta FitnessUltimate Power Seat
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$373.99
Vesta FitnessBoxing Kit
Dip Attachment75x75mm / 25mm
needs verificationno evidence yet
$654.49
REP FitnessSmith Machine Rack Attachment
Specialty Utility75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$949.99
REP FitnessUtility Seat Pad
Utility Pad
mounts to another attachment — no rack verdict
$79.99
REP FitnessDip Station (1000 Series)
Dip AttachmentREP 1000 Series
mounts to another attachment — no rack verdict
$84.99
REP FitnessUtility Seat
Utility Pad75x75mm
mounts to another attachment — no rack verdict
$199.99
Rogue FitnessEcho GHD (Pad Only)
Specialty Utility
mounts to another attachment — no rack verdict
$270
Rogue FitnessMonster Utility Seat
Utility Pad3x3 1in
mounts to another attachment — no rack verdict
$300
REP FitnessPegasus™ Attachment
Utility Pad75x75mm / 16mm, 75x75mm / 25mm
mounts to another attachment — no rack verdict
$399.99
Rogue FitnessRogue Infinity Shackle
Specialty Utility2x3 5/8in
incompatiblelisted for a different mounting ecosystem
$33
Rogue FitnessRogue Monster Lite Shackle
Specialty Utility3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$38
Titan FitnessT-2 Series Battle Rope Anchor
Dip Attachment50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$44.97
REP FitnessAltitude™ Dip Attachment
Dip AttachmentRep Altitude
incompatiblelisted for a different mounting ecosystem
$59.49
Rogue FitnessRogue Rack Mount MWod Roller
Single Leg Roller3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$68
Titan FitnessT-2 Series Dip Bars
Dip Attachment50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$74.97
Titan FitnessT-3 Series Squat Handles
Dip Attachment50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$74.99
Titan FitnessX-3 Series Squat Handles
Dip Attachment75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$84.99
Rogue FitnessRogue MRT
Specialty Utility5/8in
incompatiblelisted for a different mounting ecosystem
$98
Titan FitnessX-3 Series Step-Up Platform
Dip Attachment75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$99.97
Rogue FitnessInfinity Matador
Dip Attachment2x3 5/8in
incompatiblelisted for a different mounting ecosystem
$105
Titan FitnessT-3 Series Step-Up Platform
Dip Attachment50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$109.97
Titan FitnessX-3 Series Y-Dip Attachment
Dip Attachment75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$109.97
Rogue FitnessMonster Lite Matador
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$110
REP FitnessAltitude™ Leg Roller
Leg Curl ExtensionRep Altitude
incompatiblelisted for a different mounting ecosystem
$110.49
Titan FitnessX-3 Series Dip Bars
Dip Attachment75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$119.97
Rogue FitnessRogue Double Wall Ball Target
Wall Ball Target2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$120
PRx PerformanceLeg Roller Attachment
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$120.99
Titan FitnessT-2 Series Y-Dip Attachment
Dip Attachment50x50mm / 25mm
incompatiblelisted for a different mounting ecosystem
$124.99
Titan FitnessT-3 Series Dip Bars
Dip Attachment50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$124.99
Titan FitnessT-3 Series Y-Dip Attachment
Dip Attachment50x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$129.99
Rogue FitnessRogue Shrimp Trawler
Dip Attachment2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$150
PRx PerformancePRx 3x3 Dip Station
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$157.99
PRx PerformancePRx Knee Keeper
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$194.99
Rogue FitnessEcho GHD Roller Assembly
Specialty Utility3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$265
Rogue FitnessMonster Lite Hip Thruster Bench
Specialty Utility3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$270
EliteFTSelitefts Dip Attachment
Dip AttachmentElitefts 3x3 3/4in Side
incompatiblelisted for a different mounting ecosystem
$287
PRx PerformancePRx Footplate
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$299.99
PRx PerformancePRx Axis Pad
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$367.99
Rogue FitnessRogue Echo GHD
Specialty Utility3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$445
PRx PerformancePRx Leg Curl/Extension
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$488.99
PRx PerformanceProfile Halo Arms
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$838.99
PRx PerformanceProfile Sidewinder Attachment
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$1198.99
Rogue FitnessRogue Stall Bar 3.0
Specialty Utility
incompatiblelisted for a different mounting ecosystem
$1210
PRx PerformanceProfile Ark Attachment
Dip Attachment3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$2599.99
Structuralmade for your rack first, then likely fits — each group by price

Crossmembers, rear extensions, and feet that change the rack frame — exact-match only, never cross-brand.

Bells of SteelFront Foot Stabilizers
Extension Feet3x3 5/8in, 3x3 1in
fitslisted for the same mounting ecosystem
$142.99
Rogue FitnessMonster Mini Feet
Extension Feet3x3 1in
fitslisted for the same mounting ecosystem
$140
Rogue FitnessRogue Skid Plates
Extension Feet
fitslisted for the same mounting ecosystemmatches as the #2 variant
$330
REP FitnessFront Foot Extension Pair
Extension Feet75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$99.99
REP FitnessPR-5000 Crossmembers
Crossmembers75x75mm / 25mm
needs verificationno evidence yet
$114.99
REP FitnessLogo Plate Crossmember 2.0
Crossmembers75x75mm / 25mm
needs verificationno evidence yet
$119.99
REP FitnessRear Base Stabilizer 2.0
Rear Rack Extension75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$119.99
REP FitnessOmni™ - Rack Uprights
Uprights75x75mm / 25mm
needs verificationno evidence yet
$121.60
REP FitnessPull-Up Bar Connector
Crossmembers75x75mm / 25mm
needs verificationno evidence yet
$129.99
REP FitnessPR-5000 Rack Uprights
Uprights75x75mm / 25mm
needs verificationno evidence yet
$182.40
REP FitnessApollo™ Base
Rack Base75x75mm / 25mm
needs verificationno evidence yet
$199.99
REP FitnessOmni™ - Rack Base
Rack Base75x75mm / 25mm
needs verificationno evidence yet
$329.99
REP FitnessPR-4000 Crossmembers
Crossmembers75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$71.99
REP FitnessLogo Plate Crossmember
Crossmembers75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$99.99
Rogue FitnessMonster Lite Stabilizer Kit
Crossmembers3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$105
Rogue FitnessMonster Lite Crossmembers
Crossmembers3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$125
Rogue FitnessX-43 Crossmember
Crossmembers2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$140
Rogue FitnessMonster Lite 3.0 Crossmembers
Crossmembers3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$150
Rogue FitnessX-70 Long Crossmember
Crossmembers2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$170
Rogue FitnessXML-70B Monster Lite 70" Beam
Crossmembers3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$200
PRx PerformanceBuild Limitless Angled Feet
Extension Feet3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$209.99
REP FitnessPR-4000 Rack Uprights
Uprights75x75mm / 16mm
incompatiblelisted for a different mounting ecosystem
$209.99
Rogue FitnessX-43M Multi Grip Crossmember
Crossmembers2x3 5/8in, 3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$215
Rogue FitnessHR-2 Half Rack Conversion Kit
Crossmembers3x3 5/8in
incompatiblelisted for a different mounting ecosystem
$294
Rogue FitnessS-1 to S-2 Conversion Kit
Adapter2x3 5/8in
incompatiblelisted for a different mounting ecosystem
$320
The whole wallevery attachment in the catalog, sorted your way — #badges still show the engine's order · the shelves above are lenses on this one list
#167Pin Plate Pegs
fitslisted for the same mounting ecosystem
$52.99
#7Standard J-Cups
fitslisted for the same mounting ecosystem
$69.99
#12Roller J-Cups
fitslisted for the same mounting ecosystem
$81.99
#14Sandwich J-Cups
fitslisted for the same mounting ecosystem
$87.99
#88Monster Shackle
fitslisted for the same mounting ecosystem
$48
#20Strap Safeties 2.0
fitsspecs matchbased on matching specs — not physically confirmed
$95.99
#32Monster Pin and Pipe Safety Sets
fitslisted for the same mounting ecosystemmatches as the RA0258 variantbased on matching specs — not physically confirmed
$120
#48Monster J-Cup Pairs
fitslisted for the same mounting ecosystemmatches as the RA1469 variantbased on matching specs — not physically confirmed
$150
#333Monster Matador
fitslisted for the same mounting ecosystem
$195
#339Dip Attachment 2.0
fitsspecs matchmade for metric 75×75 mm uprights — may sit snug on this rack's true 3×3" (76.2 mm) uprights
$199.99
#74Monster Safety Strap System 2.0
fitslisted for the same mounting ecosystemmatches as the RA0619-BLACK-MG variantbased on matching specs — not physically confirmed
$265
#390Rogue Velocidor
fitslisted for the same mounting ecosystemmatches as the RA2842-BLACK-TXT-SM variant
$310
#401Rogue Skid Plates
fitslisted for the same mounting ecosystemmatches as the #2 variant
$330
#418Monster Slinger
fitslisted for the same mounting ecosystem
$389
#492Rogue MILO
fitslisted for the same mounting ecosystemmatches as the MILO-M-E variant
$495
#138Utility Hook
needs verificationno evidence yet
$14.99
#139Band Pegs 2.0
needs verificationno evidence yet
$23.99
#147Band Pegs
needs verificationno evidence yet
$34.99
#148Weight Horns
needs verificationno evidence yet
$34.99
#87Shackle
needs verificationno evidence yet
$39.99
#168Titan Mag Pins
needs verificationno evidence yet
$54.97
#912" Pull-Up Bar
needs verificationno evidence yet
$69.99
#10RX3 J-Cups
needs verificationno evidence yet
$80
#224Leg Roller 2.0
needs verificationno evidence yet
$89.99
#230Foot Plate
needs verificationno evidence yet
$93.49
#241Landmine
needs verificationno evidence yet
$99.99
#242Leg Roller
needs verificationno evidence yet
$99.99
#279Dip Station
needs verificationno evidence yet
$129.99
#51Spotter Arms
needs verificationno evidence yet
$159.99
#338Apollo™ Base
needs verificationno evidence yet
$199.99
#442ISO Arms
needs verificationno evidence yet
$559.99
#448Boxing Kit
needs verificationno evidence yet
$654.49
#171Utility Horn
mounts to another attachment — no rack verdict
$54.99
#208Utility Seat Pad
mounts to another attachment — no rack verdict
$79.99
#340Utility Seat
mounts to another attachment — no rack verdict
$199.99
#387Belt Squat
mounts to another attachment — no rack verdict
$309.99
#419Peg Boards
mounts to another attachment — no rack verdict
$399.99
#449Storage Wings
mounts to another attachment — no rack verdict
$659.99
#176X-3 Series Shackles
incompatiblelisted for a different mounting ecosystem
$59.97
#3Standard J-Cups (1000 Series)
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$59.99
#183T-3 Series Shackles
incompatiblelisted for a different mounting ecosystem
$64.97
#5Altitude™ Strap Safeties
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$67.99
#6T-2 Series J-Hooks
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$69.97
#198T-2 Series Dip Bars
incompatiblelisted for a different mounting ecosystem
$74.97
#11Infinity J-Cup Set
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$80
#13T-3 Series J-Hooks
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$84.97
#235Rogue MRT
incompatiblelisted for a different mounting ecosystem
$98
#23Strap Safeties
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$103.99
#26X-3 Series J-Hooks
incompatiblelisted for a different mounting ecosystem
$104.99
#253Infinity Matador
incompatiblelisted for a different mounting ecosystem
$105
#254Rogue Landmines
incompatiblelisted for a different mounting ecosystem
$105
#29T-3 Series Spotter Arms
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$109.97
#264X-3 Series Dip Bars
incompatiblelisted for a different mounting ecosystem
$119.97
#35T-3 Series Flip-Down Safety Bars
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$124.97
#275T-3 Series Dip Bars
incompatiblelisted for a different mounting ecosystem
$124.99
#296X-43 Crossmember
incompatiblelisted for a different mounting ecosystem
$140
#44X-3 Series Safety Straps
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$144.97
#310PRx 3x3 Dip Station
incompatiblelisted for a different mounting ecosystem
$157.99
#53Infinity Safety Spotter Arms
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$165
#331PRx Knee Keeper
incompatiblelisted for a different mounting ecosystem
$194.99
#383PRx Footplate
incompatiblelisted for a different mounting ecosystem
$299.99
#411PRx Axis Pad
incompatiblelisted for a different mounting ecosystem
$367.99
#426Rogue Echo GHD
incompatiblelisted for a different mounting ecosystem
$445
#85Rack Safety Straps
incompatiblelisted for a different mounting ecosystem
$447
#456Profile Halo Arms
incompatiblelisted for a different mounting ecosystem
$838.99
#476Rogue Stall Bar 3.0
incompatiblelisted for a different mounting ecosystem
$1210
#86Round Sandwich J-Cups
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$99.99
The whole rack attachments catalog is on this floor — nothing hidden, nothing re-scored. Your answers build and re-order shelves (they never remove a attachment); shelves start at the lowest price and re-sort your way; only your own filters ever remove.

Ranked from your picks — commission never affects order · How this works

See it in your spaceBeta

Place the Bells of Steel Manticore Collegiate Power Rack - Prebuilt (3" x 3", 1" Holes) on your floor at true size, through your phone's camera. Drag to look around the 3D model below.

Point your camera at the floor once it opens.

Snap a photo in AR and post it — tag @flex.marks.the.spot and we'll share our favorites. Living-room racks welcome.

Spec-built model Assembled from the maker's published dimensions using generic parts — exact outer size and tube footprint, simplified details (no holes, hardware, or branding). 49″ wide · 3×3″ uprights.