Pre-beta — tell us what breaks.
FLEXMARKSTHESPOT

← pick a different rack

Building on the Bells of Steel Hydra Trident Station 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 setup.

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?
Nationwide
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.

REP FitnessStandard J-Cups (1000 Series)
J-CupsREP 1000 Series
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$59.99
Get RX'dRX3 J-Cups
J-Cups75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$80
Rogue FitnessInfinity J-Cup Set
J-Cups2x3 5/8in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$80
REP FitnessLowered J-Cups 2.0
J-Cups75x75mm / 25mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$89.99
Titan FitnessT-2 Series J-Hooks
J-Cups50x50mm / 25mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$91.97
Titan FitnessT-3 Series J-Hooks
J-Cups50x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$91.97
Rogue FitnessMonster J-Cup Pairs
J-Cups3x3 1in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$150
GhostGhost Roller J-Cup 2.0 - 1" Pin
J-Cups3x3 1in
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$255
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.

REP FitnessStrap Safeties
Strap Safeties75x75mm / 16mm
fitsspecs matchbased on matching specs — not physically confirmed
$103.99
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
REP FitnessAltitude™ Strap Safeties
Strap SafetiesRep Altitude
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$79.99
REP FitnessStrap Safeties 2.0
Strap SafetiesREP 1000 Series, 75x75mm / 25mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$95.99
Titan FitnessT-3 Series Spotter Arms
Spotter Arms50x75mm / 16mm
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$114.97
Get RX'dRX3 Spotter Arms
Spotter Arms75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$200
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.

Pull-Up & Gripmade for your rack first, then likely fits — each group by price

Pull-up bars and specialty grip handles.

REP Fitness2" Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$69.99
REP FitnessRaw Pull-Up Bar
Pull Up Bar75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$69.99
PRx PerformanceSavannah Bar
Pull Up BarPRx Profile, PRx Build Limitless
incompatiblelisted for a different mounting ecosystem
$129.99
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.

REP FitnessISO Arms
Jammer Lever Arms75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$559.99
REP FitnessBelt Squat
Belt Squat
mounts to another attachment — no rack verdict
$309.99
Prime FitnessPRODIGY | SMART ARM
Jammer Lever Arms3x3 1in
incompatiblelisted for a different mounting ecosystem
$1,377.50after FLEX5
Cable & Pulleymade for your rack first, then likely fits — each group by price

Cable and pulley systems for functional and isolation work.

Get RX'dRX3 Lat Pulldown Seat
Cable Pulley System75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$135
Giant LiftingBazooka Arms
Cable Pulley SystemGiant 3x
incompatiblelisted for a different mounting ecosystem
$431.99
REP FitnessAres 2.0 Builder
Cable Pulley System75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$2,999.99
Smith Attachmentmade for your rack first, then likely fits — each group by price

Guided-bar (Smith) add-ons and conversion kits that bolt onto a rack you already own. Needs a compatible rack; a freestanding Smith machine lives under Machines → Smith Machine. Owner-added 2026-10-08 (#137).

Landminemade for your rack first, then likely fits — each group by price

Pivoting barbell anchor for rotational and pressing movements.

Titan FitnessRack Mounted Landmine
Landmine50x75mm / 16mm, 75x75mm / 16mm, 75x75mm / 25mm, 50x50mm / 25mm
needs verificationno evidence yet
$93.97
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.

REP FitnessBand Pegs 2.0
Band Pegs75x75mm / 16mm, 75x75mm / 25mm
needs verificationno evidence yet
$23.99
Giant LiftingMag Pin
Mag Pins1in, 5/8in
needs verificationno evidence yet
$26.99
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
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
PRx PerformanceStorage Hook
PRx Build Limitless5/8in
incompatiblelisted for a different mounting ecosystem
$24.99
Get RX'dRX3 Plate Sleeve
Dip Attachment75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$35
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.

Rogue FitnessRogue MRT
Specialty Utility5/8in
fitslisted for the same mounting ecosystemmatches as the #2 variant
$98
Rogue FitnessRogue Velocidor
Dip Attachment
fitslisted for the same mounting ecosystemmatches as the RA2843-BLACK-TXT-SM variant
$310
Rogue FitnessRogue MILO
Specialty UtilityCrossmember Mounted
fitslisted for the same mounting ecosystemmatches as the MILO-ML-E variant
$495
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
REP FitnessUtility Seat
Utility Pad75x75mm
mounts to another attachment — no rack verdict
$199.99
REP FitnessShackle
Adapter75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$39.99
REP FitnessLeg Roller 2.0
Leg Curl Extension75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$89.99
Vesta FitnessFoot Plate
Dip Attachment75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$109.99
Prime FitnessPRODIGY Roller Pad
Single Leg Roller3x3 1in
incompatiblelisted for a different mounting ecosystem
$190after FLEX5
REP FitnessDip Attachment 2.0
Dip Attachment75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$199.99
Vesta FitnessBoxing Kit
Dip Attachment75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$654.49
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.

Rogue FitnessX-43 Crossmember
Crossmembers2x3 5/8in, 3x3 5/8in
needs verificationmade for its own rack systemmatches as the RA0199 variant
$140
Rogue FitnessX-70 Long Crossmember
Crossmembers2x3 5/8in, 3x3 5/8in
needs verificationmade for its own rack systemmatches as the RA0198 variant
$170
REP FitnessApollo™ Base
Rack Base75x75mm / 25mm
incompatiblelisted for a different mounting ecosystem
$199.99
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
#173Pin Plate Pegs
fitslisted for the same mounting ecosystem
$52.99
#6Standard J-Cups
fitslisted for the same mounting ecosystem
$69.99
#14Roller J-Cups
fitslisted for the same mounting ecosystem
$81.99
#15Sandwich J-Cups
fitslisted for the same mounting ecosystem
$87.99
#248Rogue MRT
fitslisted for the same mounting ecosystemmatches as the #2 variant
$98
#26Strap Safeties
fitsspecs matchbased on matching specs — not physically confirmed
$103.99
#267Rogue Landmines
fitslisted for the same mounting ecosystem
$105
#378PRx Knee Keeper
fitslisted for the same mounting ecosystem
$209.99
#69Monster Lite Strap Safety System 2.0
fitslisted for the same mounting ecosystemmatches as the RA0955-24 variantbased on matching specs — not physically confirmed
$235
#423PRx Footplate
fitslisted for the same mounting ecosystem
$299.99
#431Rogue Velocidor
fitslisted for the same mounting ecosystemmatches as the RA2843-BLACK-TXT-SM variant
$310
#443Rogue Skid Plates
fitslisted for the same mounting ecosystemmatches as the #3 variant
$330
#462PRx Axis Pad
fitslisted for the same mounting ecosystem
$389.99
#476Rogue Echo GHD
fitslisted for the same mounting ecosystem
$445
#513Profile Halo Arms
fitslisted for the same mounting ecosystem
$838.99
#533Rogue Stall Bar 3.0
fitslisted for the same mounting ecosystemmatches as the #2 variant
$1,210
#556Rogue MILO
fitslisted for the same mounting ecosystemmatches as the MILO-ML-E variant
$495
#143Utility Hook
needs verificationno evidence yet
$14.99
#145Band Pegs 2.0
needs verificationno evidence yet
$23.99
#148Mag Pin
needs verificationno evidence yet
$26.99
#152Band Pegs
needs verificationno evidence yet
$34.99
#153Weight Horns
needs verificationno evidence yet
$34.99
#175Titan Mag Pins
needs verificationno evidence yet
$54.97
#191Junk Drawer
needs verificationno evidence yet
$64.99
#922" Pull-Up Bar
needs verificationno evidence yet
$69.99
#255Landmine
needs verificationno evidence yet
$99.99
#256Leg Roller
needs verificationno evidence yet
$99.99
#303Dip Station
needs verificationno evidence yet
$129.99
#320X-43 Crossmember
needs verificationmade for its own rack systemmatches as the RA0199 variant
$140
#54Spotter Arms
needs verificationno evidence yet
$159.99
#346X-70 Long Crossmember
needs verificationmade for its own rack systemmatches as the RA0198 variant
$170
#496ISO Arms
needs verificationno evidence yet
$559.99
#177Utility Horn
mounts to another attachment — no rack verdict
$54.99
#258Utility Seat Pad
mounts to another attachment — no rack verdict
$99.99
#371Utility Seat
mounts to another attachment — no rack verdict
$199.99
#427Belt Squat
mounts to another attachment — no rack verdict
$309.99
#464Peg Boards
mounts to another attachment — no rack verdict
$399.99
#504Storage Wings
mounts to another attachment — no rack verdict
$659.99
#146Storage Hook
incompatiblelisted for a different mounting ecosystem
$24.99
#154RX3 Plate Sleeve
incompatiblelisted for a different mounting ecosystem
$35
#161Shackle
incompatiblelisted for a different mounting ecosystem
$39.99
#165Monster Shackle
incompatiblelisted for a different mounting ecosystem
$48
#169Dip Station Storage
incompatiblelisted for a different mounting ecosystem
$49.99
#3Standard J-Cups (1000 Series)
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$59.99
#4J-Cups - 2X Series
incompatiblelisted for a different mounting ecosystem
$62.99
#189T-3 Series Shackles
incompatiblelisted for a different mounting ecosystem
$64.97
#10Altitude™ Strap Safeties
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$79.99
#218Barbell Tube Stand
incompatiblelisted for a different mounting ecosystem
$79.99
#219Dual Barbell Hanger
incompatiblelisted for a different mounting ecosystem
$79.99
#12RX3 J-Cups
incompatiblelisted for a different mounting ecosystem
$80
#13Infinity J-Cup Set
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$80
#17Lowered J-Cups 2.0
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$89.99
#237Leg Roller 2.0
incompatiblelisted for a different mounting ecosystem
$89.99
#19T-2 Series J-Hooks
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$91.97
#20T-3 Series J-Hooks
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$91.97
#23Strap Safeties 2.0
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$95.99
#253T-3 Series Dip Bars
incompatiblelisted for a different mounting ecosystem
$99.97
#266Infinity Matador
incompatiblelisted for a different mounting ecosystem
$105
#273Foot Plate
incompatiblelisted for a different mounting ecosystem
$109.99
#33T-3 Series Spotter Arms
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$114.97
#278T-2 Series Dip Bars
incompatiblelisted for a different mounting ecosystem
$114.99
#40T-3 Series Flip-Down Safety Bars
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$124.97
#110Savannah Bar
incompatiblelisted for a different mounting ecosystem
$129.99
#114Double Pull-Up Bar
incompatiblelisted for a different mounting ecosystem
$139.99
#319Monster Mini Feet
incompatiblelisted for a different mounting ecosystem
$140
#51Monster J-Cup Pairs
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$150
#56Infinity Safety Spotter Arms
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$165
#349Dip Bar Attachment
incompatiblelisted for a different mounting ecosystem
$179.99
#359PRODIGY Roller Pad
incompatiblelisted for a different mounting ecosystem
$190after FLEX5
#364Monster Matador
incompatiblelisted for a different mounting ecosystem
$195
#369Apollo™ Base
incompatiblelisted for a different mounting ecosystem
$199.99
#370Dip Attachment 2.0
incompatiblelisted for a different mounting ecosystem
$199.99
#65RX3 Spotter Arms
incompatiblelisted for a different mounting ecosystem
$200
#74Ghost Roller J-Cup 2.0 - 1" Pin
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$255
#76Monster Safety Strap System 2.0
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$265
#80Monster Safety Spotter Arms 2.0
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$310
#440Omni™ - Rack Base
incompatiblelisted for a different mounting ecosystem
$329.99
#444PRODIGY | Ball Target
incompatiblelisted for a different mounting ecosystem
$332.50after FLEX5
#460Monster Slinger
incompatiblelisted for a different mounting ecosystem
$389
#473Bazooka Arms
incompatiblelisted for a different mounting ecosystem
$431.99
#474Ultimate Power Seat
incompatiblelisted for a different mounting ecosystem
$439.99
#85Rack Safety Straps
incompatiblelisted for a different mounting ecosystem
$447
#503Boxing Kit
incompatiblelisted for a different mounting ecosystem
$654.49
#538PRODIGY | SMART ARM
incompatiblelisted for a different mounting ecosystem
$1,377.50after FLEX5
#539Vesta Pioneer Smith Module
incompatiblelisted for a different mounting ecosystembased on matching specs — not physically confirmed
$1,399
#548Ares 2.0 Builder
incompatiblelisted for a different mounting ecosystem
$2,999.99
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