OSO Barbell Collars
Best premium locking collars for serious weightlifters and functional fitness athletes.
These collars are the definitive upgrade for anyone tired of wrestling with flimsy spring clips. The aircraft-grade aluminum build offers a rock-solid grip that won't budge during heavy drops, though you sacrifice the sheer simplicity of a slide-on clip for a much more secure, deliberate locking mechanism.
$55.00
at
Roguefitness
Who it's for
- Olympic weightlifters performing high-repetition sets with frequent bar drops
- Home gym owners seeking high-end equipment with a modern aesthetic
- Powerlifters needing maximum space for multiple heavy iron plates
Who should skip it
- Budget-conscious lifters looking for basic functionality at a lower cost
- Athletes with limited hand strength or those preferring effortless adjustments
- Gym owners using non-standard specialty bars or budget barbell brands
Performance breakdown
Clamping Security
Aircraft-grade aluminum ensures plates stay locked during the most explosive lifts.
Adjustment Speed
The lever mechanism makes swapping plates between sets incredibly fast.
Sleeve Protection
Rubberized interior lining prevents unsightly scratches on your expensive barbell sleeves.
Build Durability
Billet aluminum construction withstands years of abuse in high-traffic gyms.
Ease of Use
Simple, intuitive design makes these far superior to standard spring clips.
Weight Stability
Maintains a rock-solid hold even during high-impact CrossFit movements.
Key Specs
Material
6061 Billet Aircraft Grade Aluminum
Finish Type
Anodized
Closure Type
Locking Clamp
Locking Mechanism Type
Lever Lock
Inner Diameter
1.97 inches
Weight Per Collar
6.4 ounces
Quantity Per Pack
2
Compatibility
50mm Olympic Bar Sleeves
Barbell Type Compatibility
Olympic Barbell
Intended Use
Powerlifting, CrossFit
Know before you buy
Still have a question?
Ask Metto anything about the OSO Barbell Collars before you decide.
