Weightlifting Bars & Plates Collars OSO Collars

The OSO Barbell Collars is the gold standard for Olympic Barbell Collars. Manufactured in Columbus, Ohio, get yours at Rogue today!

This revolutionary design is the gold standard for Olympic Barbell Collars. A must for CrossFit or any other functional fitness program that uses olympic weights and bars. Manufactured in Columbus, Ohio.

These barbell collars feature lock-open technology and are made from aircraft-grade 6061 Billet Aluminum. Made in the USA and now available in Cerakote finishes!

Rogue USA Aluminum Collars 2.0 feature a secure locking design, CNC-machined 6061 aluminum construction, and a durable hard anodized finish for reliable plate security on all Olympic barbells.

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 Collar. Manufactured in Columbus, Ohio.

OSO CP-1 Polymer Collars 2.0

Our lightweight OSO Mighty Axle Collars are quality-made, economically priced, and specifically designed for specialty barbells.

This exclusive, Rogue-branded version of the OSO Barbell Collar is made of aircraft-grade aluminum clamp with a rubberized interior lining to protect the bar. Manufactured in Columbus, Ohio.

Manufactured in the USA, the OSO Magnetic Rogue Collars feature pressed, high strength magnets for easy storage when not in use.