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OSO CM-1 Metal Collars

Special Price Excl. Tax: €65.00 Incl. Tax €78.65

Regular Price: €65.00

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OSO CM-1 Metal Collars

The OSO CM-1 Metal Collar introduces some innovative new engineering elements inspired by customer feedback and advances in precision technology. This includes rubberized interior plugs for a superior hold on the bar, an updated handle, and a fresh new design made from OSO’s top-grade 6061 Billet Aluminum. The CM-1’s cam locking clamp mechanism secures the collar in place for consistent stability and peace-of-mind through even the most intense weightlifting regimen.

OSO CM-1 Metal Collars are sold in pairs and sized to fit all standard 50mm Olympic barbell sleeves. They’re currently available to order in three colors: Red, Gray, and Blue. A budget-friendly polymer version of this design is also available separately.

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Additional Specifications:

  • Sold in Pairs
  • Made in the USA
  • Designed to be used on 50mm Olympic Bar Sleeves
  • 6061 Billet Aircraft Grade Aluminum construction
  • Weight: approx. 1 LB per pair
  • NEW Rubberized interior plugs for a tight hold on the bar (see instructions for use below)
  • NEW Handle design
  • Cam Locking clamp mechanism for lock-down stability
  • Color Options: Red or Gray

Instructions for Inserting Plugs

  • Step 1 – Align plug so that it sits evenly atop the slot that it will be pressed into
  • Step 2 – Gently push with both thumbs, alternating from the top to the bottom, and repeat. This will slowly work the plug into position in a small amount at a time. (If you try to force the plug in, it will tend to stick, and will then require more effort than necessary. It may help to get the sides of the plugs wet so that they slip in more easily)
  • Step 3 – Once the plugs are in place, it may take a couple of clamping cycles on the bar to get them completely seated. This entire process should only take a few minutes for each collar

See Also: The exclusive Rogue OSO Barbell Collar

Rogue fitness will warranty this product from defects in material, functionality and workmanship for a period of 2 years from the date of purchase of the product. The warranty applies only to the original purchaser of the product for so long as the original purchaser owns the product, and is non-transferable. Warranty may be voided for any product which has been damaged due to negligent or faulty use, alteration, maintenance, storage or handling by the user. Any specific issues regarding a Rogue product with which a customer is not satisfied will be reviewed on a case-by-case basis.Note: Rogue will continue to honor warranties on products purchased directly from OSO prior to Rogue's acquisition of OSO Barbell Collars on these same terms and conditions.

Gear Specs

Brand OSO
Made In USA Yes
Product Weight approx. 1 LB per pair
Material Type 6061 Billet Aircraft Grade Aluminum
Other Product Specs 2 Year Warranty*
OSO CM-1 Metal Collars is rated 4.8 out of 5 by 51.
Rated 4 out of 5 by from Great collars. Plastic handles... Great collars love how the rubber won’t mar my plates as much as the other rogue aluminum ones (though those look nicer). Also the plastic handle is puzzling. Hope it holds up
Date published: 2020-09-05
Rated 5 out of 5 by from Superb product I got these and have not been disappointed. They stay in place whether benching or doing dead lifts. Will probably be getting an additional set to add to the collection.
Date published: 2020-08-03
Rated 5 out of 5 by from Great Collars I bought this about a month ago and I am very happy I got two pairs! Very nice collar works well and looks great!
Date published: 2020-06-29
Rated 5 out of 5 by from Great Clips I bought these about 2 months ago. The initial fit on my Bella Bar was extremely tight. I almost shipped them back. However after talking with a friend he recommended to wedge them on and let it sit locked. I have no trouble now and the stay in place when the barbell is dropped appropriately.
Date published: 2020-05-31
Rated 4 out of 5 by from Works great after first time use Works great, only issue is with its initial assembly, putting the rubbers on, and it was a terrible experience to put them on the bar for the first time. Rogue, I believe this is why you are getting low reviews for this product. My experience has been great since my first clamp experience. -PaulT
Date published: 2020-05-02
Rated 5 out of 5 by from Sydney It's great product easy to use very light in weight Do recommend
Date published: 2020-04-23
Rated 5 out of 5 by from Best I've used I am not a veteran lifter by any means. Lifting 2.5 years, had these collars for 7 months. I do not perform Olympic lifts, just standard power lifts. That said, these are the best collars I've ever used in any gym.They quickly "broke in" and have stayed extremely steady since then. I can't imagine any amount of weight moving these collars. I got mine from the boneyard, haven't found the flaw yet. Don't look closely enough anymore so I never will.
Date published: 2020-04-22
Rated 5 out of 5 by from Great product. I use these primarily with the Rogue Calibrated steel plates. Very sung fit on the barbell collars. I really like the rubber inserts. There’s no paint chipping on my plates because of it.
Date published: 2020-03-10
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