OSO Barbell Collars
Best premium locking collars for serious weightlifters seeking maximum security.
These collars are the gold standard for anyone tired of wrestling with clunky, unreliable clips. The cam-action lock holds plates rock-solid through heavy drops, trading the bulk of traditional competition gear for a sleek, lightweight design that makes rapid weight changes feel effortless.
$55.00
at
Roguefitness
More Mighty Collars options
Who it's for
- High-volume lifters seeking equipment that survives intense daily training sessions.
- Competitive athletes requiring absolute plate stability during explosive movements.
- Home gym owners who value both high-end performance and visual style.
Who should skip it
- Budget-conscious lifters looking for basic functionality at a lower cost.
- Athletes with limited grip strength or those preferring effortless transitions.
- Owners of budget barbells with inconsistent or oversized sleeve dimensions.
Performance breakdown
Locking Security
Cam-action mechanism holds plates firmly through the most aggressive drops.
Transition Speed
Quick-release design makes swapping plates between sets nearly instantaneous.
Sleeve Protection
Rubber interior lining prevents unsightly scratches on your expensive barbell sleeves.
Build Durability
Billet aluminum construction withstands heavy daily abuse without bending or breaking.
Weight Profile
Lightweight design keeps the bar balanced without adding unnecessary bulk.
Fit Precision
Machined tolerances ensure a snug, wobble-free fit on standard Olympic sleeves.
Key Specs
Material
6061 Billet Aluminum
Compatibility
50mm Olympic Bar Sleeves
Locking Mechanism Type
Cam Lock
Weight per collar
16 ounces
Inner Diameter
1.97 inches
Quick Release Feature
Yes
Heavy Duty Construction
Yes
Non-Slip Design
Yes
Intended Use
Olympic Weightlifting
Grip Surface Material
Rubber
Know before you buy
Still have a question?
Ask Metto anything about the OSO Barbell Collars before you decide.
