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OSO CM-1 Metal Collars 2.0

Last checked 10 months ago
OSO CM-1 Metal Collars 2.0

-0 The OSO Collars 2.0 from Rogue Fitness are a premium pair of aluminum clamps designed to help you safely secure weight plates in place on a barbell, machine, or plate-loaded apparatus. Made from the highest quality 8020 aluminum alloy and sporting superior compression resistance, these collars are built for rigorous and frequent use. The precision-machined design of these collars allows for a secure fit on any round or standard 1" barbell, while two independent and adjustable set screw mechanisms provide individualized locking power without the need for tools. These collars also feature dual rubber handles that allow for easy on/off maneuvering and a sleek anodized finish that adds a distinctive look. With the OSO Collars 2.0 from Rogue Fitness, you can reach new plate weights and take your fitness to the next level with confidence.

  • OSO CM-1 Metal Collars 2.0

    In Stock


  • OSO Rubber Collar Plugs - 4 Pack

    In Stock


Pros & Cons


• Made with aerospace grade aluminum for extreme durability

• Lightweight and easy to use

• Rounded edge design prevents from damaging to your barbell

• Smooth and quick release operation

• Secure locking mechanism for safety

• mm diameter opening fits standard olympic size barbells

• Money back guarantee


• More expensive than other Olympic size collars

• Only available in silver color

Who Should Buy

Should Buy

• Durable - made with high-grade aluminium to ensure long-lasting performance

• Secure - firm grip to ensure your plates remain in place

• Easy to Use - designed for quick on/off use for fast plate changes

• Size Variety - Available in 1” and 2” versions

Should Not Buy

• Expensive - Higher price than comparable brands

• Compatibility Issues - Not all discs are compatible

• Not for Beginners - Collars are designed for more advanced lifters

• Limited Range - Limited to Olympic size disks


•Traditionally-shaped, stainless steel collar with premium finish

•Hidden metal plate construction for superior durability and strength

•Thick and sturdy steel rods for a secure fit

•Cushioned, flexible silicone inner lining for a comfortable fit

•Dimensions: Inner circumference 8.25" (outside 9"),height 0.75"

•Weight: 9.2 oz

Weight CapacityDesign
200 lbs.Ergonomic design with foam padding
150 lbs.Padded waist belt and leg loops
300 lbs.Robust construction and flexible leg loops
200 lbs.Lightweight and easy to don
200 lbs.Anatomic cut

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