X-3 Series Quick Release Roller J-Hooks

Name: X-3 Series Quick Release Roller J-Hooks
Brand: Titan Fitness
Rating: 4.4 (5 reviews)

The X-3 Series Quick Release Roller J-Hooks are Titan Fitness’s roller-style j-cups built for its X-3 Series power racks (3” x 3” uprights, 5/8” hardware holes), and confirmed by reviewers to also cross-fit racks like the Rogue Monster Lite and Infinity Series that share that upright/hole spacing. A pair is rated to hold 1,000 lb combined, and each cup uses a heavy-duty nylon roller with a self-centering groove so the barbell can glide side to side and settle back to center on its own, instead of requiring a manual shove after an uneven re-rack. A 16mm quick-release pop-pin locks each hook in place with about a half turn, and UHMW liners cover the backplate, lip, and frame – including the inside surfaces that contact the rack itself, not just the bar, which is usually a feature reserved for brands’ flagship lines. Reviewers who’ve used them for weeks call the lock rock solid with no wobble and say the rollers make re-centering effortless, though they also flag two recurring durability quirks: the nylon roller material shows wear and indentation fairly quickly under aggressive bar knurling, and the roller bolts are Loctited in place, making a worn roller a hassle to swap out. At roughly half the price of comparable roller j-hooks from Rogue or Ghost Strong, reviewers consider it a strong value even with those tradeoffs.

Depth	10 in
Width	3.5 in
Height	9.5 in
Liners	Nylon/UHMW on backplate, lip, and frame (including rack-contact surfaces)
Pop pin	16mm (5/8") quick-release
Material	3/8" and 5/16" steel, powder-coated black finish
Pair weight	11 lb
Manufacturer	Titan Fitness
Compatibility	X-3 Series Power Racks and other racks with 3" x 3" uprights; fits all barbell sizes from standard to oversized squat bars
Roller pad dimensions	1.5" x 3"
Rackable weight capacity	1,000 lb (pair)

What is a Rack Attachment?

What rack attachments are

Rack attachments bolt or pin onto a power rack or squat stand to expand what it can do — J-cups and safety arms/straps (the essentials), plus dip bars, a landmine, a lat pulldown, weight-plate storage, roller J-cups, and more. They turn a rack into a whole gym.

Compatibility comes first

An attachment must match your rack’s upright size (2x2, 2x3, or 3x3) and hole pattern/hardware (e.g. 5/8-in vs 1-in holes, Westside spacing). Attachments are usually series-specific — a Monster Lite J-cup won’t fit an Echo upright — so confirm the fit before buying.

How it compares

	X-3 Series Quick Release Roller J-Hooks	F and F Quick Load Pulley	Smith Machine Rack Attachment	X-3 Series Safety Straps
GymRadar rating	4.4/5	4.4/5	4.4/5	4.4/5
Price	$104.97	$39.99
Depth	10 in
Width	3.5 in
Height	9.5 in
Liners	Nylon/UHMW on backplate, lip, and frame (including rack-contact surfaces)
Pop pin	16mm (5/8") quick-release
Material	3/8" and 5/16" steel, powder-coated black finish	Steel frame, sealed bearings
Pair weight	11 lb
Manufacturer	Titan Fitness	F&F Steel	Bells of Steel
Compatibility	X-3 Series Power Racks and other racks with 3" x 3" uprights; fits all barbell sizes from standard to oversized squat bars
Roller pad dimensions	1.5" x 3"
Rackable weight capacity	1,000 lb (pair)

4.4/5 · 5 GymRadar reviews

Reviews by source

Expert	4.4/5	5 reviews
Youtube	4.6/5	2 reviews

Titan’s answer to premium roller j-hooks, sized for its X-3 Series 3”x3” power racks. Functionality is the standout: nylon rollers let the bar re-center itself instead of forcing a manual shove back into place, and the quick-release pop-pin cinches the hook down with zero side-to-side wobble once threaded home. Build quality carries over the same idea Titan uses on its flagship attachments — UHMW lining on the inside of the cup, not just where the bar sits, protecting the rack’s finish rather than just the barbell, a touch usually reserved for pricier brands’ top-tier lines. Durability is the weakest dimension: reviewers note the nylon rollers show wear and indentation fairly quickly under aggressive bar knurling, the roller bolts are Loctited in place (making a worn roller annoying to replace), and at least one buyer received a unit with a stuck roller that needed a mallet to free. Value is strong — reviewers peg it at roughly half the price of comparable roller j-hooks from Rogue or Ghost Strong. Versatility is good on paper (confirmed cross-compatible with Rogue Monster Lite/Infinity uprights as well as Titan’s own T-3 and Titan Series racks), though repositioning the hook means fully unscrewing and re-threading the pop-pin rather than a quicker pull-pin release.

+Functionality: nylon rollers let the bar re-center itself instead of requiring a manual shove back into place (Two Rep Cave; YouTube: Kurtis)
+Functionality: quick-release pop-pin locks the hook rock solid with zero side-to-side wobble once tightened (YouTube: Kurtis)
+Build quality: UHMW lining on the inside of the cup protects the rack's finish itself, not just the bar — a touch normally reserved for flagship product lines (YouTube: Kurtis)
+Value: roughly half the price of comparable roller j-hooks from Rogue or Ghost Strong (YouTube: Kurtis)
+Versatility: confirmed cross-compatible with Rogue Monster Lite/Infinity uprights in addition to Titan's own T-3 and Titan Series racks (YouTube: Kurtis; YouTube: Franji Rolls and Lifts)

−Durability: nylon rollers show visible wear and indentation fairly quickly under aggressive bar knurling (Two Rep Cave)
−Build quality: roller bolts are Loctited in place, making a worn roller difficult to replace (Two Rep Cave)
−Durability: at least one unit arrived with a stuck roller that needed to be freed with a mallet (Two Rep Cave)
−Functionality: the pop-pin must be fully unscrewed and re-threaded each time you reposition the hook, rather than a quicker pull-pin release (YouTube: Kurtis)

$104.97

Buy Now