OSO CM-1 Collars
Best durable locking solution for dedicated weightlifters seeking precision.
These precision-machined aluminum collars offer a rock-solid hold on Olympic bars, ensuring plates stay put during heavy lifts. The cam-lever design allows for rapid, one-handed adjustments, making them a reliable upgrade for any serious training setup.
$65.00
at
Roguefitness
Who it's for
- Serious lifters seeking long-lasting equipment for high-intensity training environments
- Dynamic athletes performing Olympic lifts or high-repetition functional fitness movements
- Efficiency-minded trainers who want to minimize downtime during their workouts
Who should skip it
- Budget-conscious gym goers looking for basic, low-cost equipment options
- Owners of non-standard or budget barbells with inconsistent sleeve diameters
- Aesthetic-focused users who want their equipment to remain looking brand new
Performance breakdown
Locking Security
The cam-lever system bites down hard, eliminating any plate movement.
Build Durability
Aircraft-grade aluminum construction easily survives repeated drops and heavy-duty gym abuse.
Ease of Use
Rapid adjustments between sets are seamless thanks to the intuitive lever.
Sleeve Compatibility
Standardized sizing ensures a snug, reliable fit on all Olympic bars.
Grip Stability
Rubberized interior inserts provide essential friction to keep plates perfectly locked.
Aesthetic Finish
Anodized coating offers a sleek, professional look that resists wear over time.
Key Specs
Material
6061 Billet Aircraft Grade Aluminum
Compatibility
50mm Olympic Bar Sleeves
Weight
1 lb per pair
Weight per collar
8 ounces
Closure Type
Cam Locking
Quantity per pack
2
Quick Release Feature
Yes
Heavy Duty Construction
Yes
Non-Slip Design
Yes
Finish Type
Anodized
Know before you buy
Still have a question?
Ask Metto anything about the OSO CM-1 Collars before you decide.
