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OSO Axle Collars


OSO Axle Collars

Designed exclusively for use with 1.9" OD specialty bars, OSO's Axle Series collars feature the same aircraft-grade aluminum construction and rubberized interior lining as the standard OSO barbell clamps. The OSO Axle Collar is normally available only in olive green, so it will always be easy to distinguish from your other gear-shaped OSO collars. Now, we are also offering the OSO Red Axle Collar, exclusively available at Rogue.

The Axle Series is manufactured in Colorado and compatible with a broad spectrum of specialty bars, including the Rogue Axle, Multi-Grip Bar, TB-2 Trap Bar, and Log Bar. The locking clamp ensures a secure, stable hold through repeated, high-impact drops, and allows easy adjustments or removal with a simple lever and lock/unlock mechanism.

IMPORTANT: Because of their smaller diameter, OSO Axle Collars CANNOT be used with standard 1.98" (50.4mm) barbells.


  • Sold in Pairs
  • Made in the USA
  • Compatible ONLY with Specialty Bars w/ 1.9" outside diameter
  • 6061 Billet Aircraft Grade Aluminum
  • Rubberized interior lining to protect bar
  • Locking clamp mechanism for secure hold
  • Color: Olive Green
  • Weight: 1 LB
  • 2 Year Warranty*

Also, check out the OSO Clamp Case to protect your collars from damage or the elements while on the go.

*OSO Barbell Collars are designed to take a lot of abuse when clamped on a barbell. Aluminum will bend, however, so when they are not on a bar, avoid throwing, kicking, or stepping on the clamps (or any other means of abuse), as this will void your warranty.

Gear Specs

Brand OSO
Made In USA Yes
Color Olive Green
Product Weight 1LB
Width 1.5"
OSO Axle Collars is rated 4.0 out of 5 by 2.
Rated 5 out of 5 by from They work great with my Rogue Beam Bar I got these collars when I purchased my Rogue Beam Bar and these collars are solid. They do the job and are pretty heavy duty with having three positions fully opened, semi opened and closed. They work a lot better then spring collars in keeping the weights secure on the bar and I'm definitely considering buying OSO barbell collars now after having purchased the axle collars.
Date published: 2016-03-06
Rated 3 out of 5 by from Solid but beware we use OSO clamps at our box and fell in love with them from day one. I just received a pair of these new OSO Axle Collars in exchange for a pair of previous axle collars [red plastic] that broke. and like they say in the copy above, THESE WILL NOT FIT ON ANY OTHER BARS other than your axle bars, and farmer carry handles. and that's fine if that's what you are buying them for. just know that there is no way to get them onto any other barbells before you buy them. and like I said, they seem very SOLID too.
Date published: 2015-10-01
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