PROLOC StrongMan Collars

Name: PROLOC StrongMan Collars
Brand: Rogue Fitness
Rating: 4.25 (4 reviews)

The PROLOC StrongMan Collars are Rogue’s narrow-diameter version of its PROLOC 1 Collar, re-sized to fit the 1.9” sleeves found on strongman implements like the Axle, TB-2 Trap Bar, and Log Bar — sleeves too thin for a standard Olympic collar to clamp securely. Like the standard PROLOC 1, it uses a hand-adjustable screw-top knob rather than a fixed lever or spring, pressing a cylindrical bit onto the sleeve for a consistent, locked-on hold.

No independent reviewer has tested this exact 1.9”-diameter SKU, but the underlying mechanism carries strong track record: Garage Gym Lab rates the shared PROLOC design 9.5/10 overall, and a hands-on YouTube test of the same nylon-knob collar on a trap bar, SS yoke bar, and Swiss bar confirms a tight fit that “does not break” even when dropped repeatedly. The tradeoff is speed — the spin-to-tighten knob is slower to put on and off than a lever-style collar, and reviewers of the standard-diameter version note the hold can loosen slightly under very heavy loads compared to premium aluminum lever collars.

Color	red
Made in	USA
Sold as	pair
Material	1.5" thick nylon
Warranty	2-year coverage for material defects and workmanship
Mechanism	hand-adjustable screw-top knob pressing a cylindrical bit onto the sleeve
Diameter compatibility	1.9" sleeves (Rogue Axle, TB-2 Trap Bar, Log Bar, and other narrow specialty bars)

What is a Collar?

What barbell collars are

Collars (clips) lock the plates onto a barbell’s sleeves so they can’t slide or rattle off — a safety essential, especially for pressing and Olympic lifts. The common types: cheap spring clips, quick lock-jaw / quick-release collars (the everyday favorite — fast and secure), and competition collars (precision-weighted, 2.5 kg each, for calibrated meets).

What to look for

A secure clamp that won’t creep under drops or high reps, quick on-and-off operation, and a fit for your bar’s sleeve diameter (standard Olympic is 50 mm). For most home gyms, a pair of lock-jaw-style collars is the right balance of speed, grip, and price.

How it compares

	PROLOC StrongMan Collars	York Vintage leather lined collars for Olympic EZ Curl Bar	Lever Clamp Barbell Collars	Proloc™ Collars
GymRadar rating	4.25/5	4.27/5	4.19/5	4.33/5
Price	$46.00		$69.99	$51.45
Color	red			black (also available in red)
Made in	USA			USA
Sold as	pair			pair
Material	1.5" thick nylon			1.75" thick nylon plastic
Warranty	2-year coverage for material defects and workmanship			2-year coverage for material defects and workmanship
Mechanism	hand-adjustable screw-top knob pressing a cylindrical bit onto the sleeve			hand-adjustable screw-top knob pressing a cylindrical bit onto the sleeve
Diameter compatibility	1.9" sleeves (Rogue Axle, TB-2 Trap Bar, Log Bar, and other narrow specialty bars)			1.937" to 2.007" sleeves (fits both Olympic and axle-sized bars)

4.3/5 · 4 GymRadar reviews

Reviews by source

Expert	4.25/5	4 reviews
Youtube	4.3/5	1 reviews

The PROLOC StrongMan Collars are the same nylon, spin-to-tighten design as Rogue’s standard PROLOC 1 Collar — re-sized to the narrower 1.9” sleeve found on strongman implements like the Axle, TB-2 Trap Bar, and Log Bar. Versatility and durability are the standout dimensions: independent hands-on reviews of the PROLOC 1 mechanism confirm a tight, secure fit across specialty bars (SS yoke bar, trap bar, Swiss bar) with heavy nylon construction that shrugs off drops and years of use. The weakest dimension is ease of use — the screw-on knob is slower than a lever-style collar, and there is no independent review of this exact narrow-diameter SKU, so confidence rests on the shared-mechanism PROLOC 1 family rather than strongman-specific testing.

+Versatility: fits narrow 1.9" strongman-bar sleeves (Axle, TB-2 Trap Bar, Log Bar) that most standard Olympic collars can't clamp (Rogue product page)
+Functionality: an independent hands-on test of the same nylon-knob mechanism confirms a tight fit on a trap bar, SS yoke bar, and Swiss bar with no slipping (YouTube: Three Storm Fitness)
+Durability: heavy nylon construction that "does not break" even when dropped repeatedly, per the same PROLOC 1 mechanism (YouTube: Three Storm Fitness); Rogue backs it with a 2-year warranty
+Build quality: 1.5" thick USA-made nylon construction rated 9.5/10 for build quality on the shared PROLOC family (Garage Gym Lab)
+Value: competitively priced at $46/pair for a purpose-built specialty-bar fit versus buying separate fixed-diameter collars (Garage Gym Lab)

−Ease of use: spin-to-tighten knob is slower to put on and off than a lever-style collar (Garage Gym Lab, Garage Gym Reviews)
−Functionality: no interior padding and can slide slightly during use, per reviews of the same PROLOC 1 mechanism (Garage Gym Reviews)
−Build quality: no independent review has tested this exact 1.9"-diameter Strongman SKU — coverage is inferred from the shared PROLOC 1 mechanism on other bar diameters
−Functionality: does not hold as securely during fast Olympic weightlifting movements, per the shared-mechanism family review (Garage Gym Lab)

$46.00

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