Barbell Collars for Every Athlete: Find the Right Fit for Your Training

Barbell collars are one of the smallest but most essential pieces of equipment in any gym setup. Whether you’re hitting Olympic lifts, HIIT workouts, or heavy powerlifting sessions, the right collars ensure your plates stay locked in place, rep after rep. Rogue Fitness offers a wide range of collars to suit every athlete’s needs, from robust aluminum locking collars to classic spring collars. Below, we’ve broken down the key options available to help you find the right barbell collars for your goals and training style.

OSO Barbell Collars

Premium Hold with Aircraft-Grade Construction

The OSO Collar lineup sets the standard when it comes to barbell collars. Machined in Columbus, Ohio, and constructed from 6061 aircraft-grade aluminum, these collars are designed for athletes who want the strongest hold without compromising on convenience or longevity.

Rogue OSO Barbell Collars 2.0:

Improved clamp mechanism, rubberized interior lining, and industrial gear-style design for a rock-solid grip through high-impact drops. Perfect for Olympic lifting, CrossFit, and powerlifting.

Rogue OSO Magnetic Collars:

Same design as the 2.0 model, but with integrated magnets for easy storage on the rack. Keep your collars in reach and off the floor.

OSO Barbell Collars 2.0:

Same functionality as the Rogue OSO Barbell collars but in the original OSO design and available in a wide range of colors.

OSO Mighty Collars 2.0:

A slimmed-down, lightweight version offering high performance at a more economical price point.

OSO CM-1 Metal Collars:

Adds customizable rubber plugs and a sleek anodized finish for athletes who want performance and personalization.

OSO CP-1 Polymer Collars:

A lightweight, reinforced nylon version with the same secure cam-locking mechanism for those who prefer a lower profile or budget-friendly option.

Rogue USA Aluminum Collars

Compact Design with High Level Performance

Designed, machined, and assembled in the USA, the Rogue USA Aluminum Collars provide a dependable lockdown fit on any Olympic barbell sleeve.

Rogue USA Aluminum Collars:

Made from billet aluminum with a lock-open nylon lever for quick install and removal. Interior rubber lining protects the barbell shaft and provides a secure hold.

Rogue Cerakote Aluminum Collars:

Same specs as the standard version but finished with a durable, ceramic-based Cerakote coating—available in multiple colors.

Rogue Magnetic Aluminum Collars:

Add high-strength magnets for convenient storage directly on the rack. Slightly heavier than the standard model, but just as tough.

Rogue HG 2.0 Collars

Durable, Lightweight, Easy to Use

Used at the highest levels of competition for over a decade, Rogue HG 2.0 Collars feature a patented locking mechanism that delivers a vise-like grip on the bar sleeve.

Rogue HG 2.0 Collars:

Stainless steel hardware, improved rubber pads, and a spring-loaded tab make these collars easy to use and ultra-reliable. Their quick open design allows you to remove them quickly when needing to change bar weight.

Rogue HG 2.0 Magnetic:

A built-in magnet lets you snap these collars onto your rack when not in use—convenient, functional, and efficient.

Spring Collars

A Time-Tested Design with Simple Reliability

Sometimes simple is all you need. Rogue’s spring barbell collars are made from high-quality steel and clamp tight without any moving parts.

Rogue USA Spring Collars:

Made from U.S. steel with zinc plating for long-term durability.

Standard Spring Collars:

Lightweight, cost-effective, and dependable.

Axle Bar Collars

Specialty Fit for Specialty Bars

Not all collars fit specialty bars. Rogue’s Axle Collars are designed for 1.9″ OD sleeves, like what is used on our TB-2 Trap Bar, Axle, and Rhino Belt Squat loading posts.

OSO Axle Collars 2.0:

Aircraft-grade aluminum construction with the same lever-locking mechanism as our standard OSOs.

OSO Mighty Axle Collars:

An axle bar compatible version of our standard Mighty Collars, these are lightweight and cost effective while providing a secure hold.

Rogue HG 2.0 Axle Collars:

Constructed of the same polymer resin as our standard HG Collars and updated locking mechanism for consistent holding power on 1.9″ sleeves.

Competition Collars

Precision-Calibrated for Competition

When precision and loadable sleeve space matter most, Rogue’s Competition Collars deliver. IWF and IPF approved, these collars are machined from solid billet steel and held to strict weight tolerances. Pair them with KG bumpers or calibrated plates to complete your competition-ready setup.

Rogue KG Competition Collars:

Each collar weighs 2.5 KG and features a locking star ring with Rogue branding. Built for elite-level meets and serious strength training.

Which Barbell Collars Are Right for You?

Choosing the best barbell collars depends on your training style, equipment preferences, and budget. For maximum hold and durability, collars like the OSO 2.0, USA Aluminum, and HG 2.0 offer the best lockdown. For budget-conscious setups, spring collars remain a tried-and-true solution. And for specialty bars or competitive lifting, we’ve got specific options built to match.

No matter your needs, Rogue collars are made to last, delivering the consistent performance you expect from your equipment. Browse the full lineup to find your perfect pair.