OSO Barbell Collars
OSO Barbell Collars | Vulcan Strength
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Regular Price: $49.95


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OSO Barbell Collars

OSO has created a revolutionary Barbell Collar. Not only do these collars just look awesome, they are completely functional as well. They stay tight when dropped and will not damage your bar. They weigh approximately 1 lb each, so easy to calculate with your totals and not heavy and cumbersome like a 2.5 kg competition collar

Product Specifications:

· Made in the USA from 6061 Billet Aluminum

· Designed to be used on 50mm Olympic Bar Sleeves

· Long Lasting rubber interior to protect your barbell and provide an snug fit

· Quick and Easy Locking mechanism provides secure hold and easy on/off during competitive WODS.

Available in Green (OUT OF STOCK), Orange, Blue, Red, and Steel Grey (OUT OF STOCK).


  • Open the collar until it clicks - then it will stay open to slide easily on and off
  • Find a good place to store these collars. Consider an alternative to the bucket as people tend to "drop" and "throw" them in and could possibly damage them.
  • If the rubber gets sticky - CHALK IT UP! If it gets dirty, clean it with a wet rag!

Two Year warranty from defect. Abuse and neglect not covered. OSO Barbell collars are designed to fit 50mm Olympic Bar Collars. We can only guarantee the collars will fit on Vulcan Olympic bars and other high end barbells.
OSO Collars are designed to take a lot of abuse when clamped on a barbell. Aluminum can bend. When the collars are not on a bar, avoid throwing, kicking, stepping on or any other means of abuse as this will void your warranty.