Barbell Clips / Collars

Q: Spring collars vs. lockjaw vs. competition collars — what's the difference?

Spring collars ($10–20) are cheap and fast but slip under heavy bouncing. Fine for light and moderate lifts. Lockjaw / quick-release collars ($30–50) clamp with a lever — secure, fast, and the best overall choice for most lifters. Competition collars ($80–150) use a cam-lock mechanism, weigh exactly 2.5 kg per pair, and are required for sanctioned meets. For non-competitive training, lockjaw collars are the sweet spot.

Lock your plates on with Olympic barbell collars and clips from XMARK, Muscle D Fitness, PRx Performance, Barbell Standard, Synergee, and Rage Fitness — including spring collars, snap-lock collars, aluminum lockjaw collars, magnetic collars, and competition-grade training collars. Match collar type to your lifts (quick changes for circuits, heavy-duty lockjaws for max-effort training) to keep every set safe and secure.

Specs

PRx Performance

PRx Chain Collar

$26.99

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PRx Performance

PRx Spring Collars

$10.99 ~~$14.99~~

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XMARK

XMARK Olympic Barbell Collars

$32.00

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PRx Performance

PRx Spotter Arm Storage Backer Plates

$29.99 ~~$41.99~~

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Brand

PRx Performance

XMARK

PRx Performance

Frequently asked questions

Do I really need barbell collars?

Yes — every time you lift, without exception. Loose plates can slide off, shift uneven, or fall on your feet. Collars take two seconds to install and prevent every plate-related accident. This is the cheapest and most important accessory you'll ever buy.

Spring collars vs. lockjaw vs. competition collars — what's the difference?

Spring collars ($10–20) are cheap and fast but slip under heavy bouncing. Fine for light and moderate lifts. Lockjaw / quick-release collars ($30–50) clamp with a lever — secure, fast, and the best overall choice for most lifters. Competition collars ($80–150) use a cam-lock mechanism, weigh exactly 2.5 kg per pair, and are required for sanctioned meets. For non-competitive training, lockjaw collars are the sweet spot.

Do cheap collars damage the bar?

Poor-quality collars with metal-on-metal contact can mark or scratch barbell sleeves over time. Quality collars (even budget-friendly lockjaw styles) use plastic or rubber contact surfaces that won't mark sleeves. If you own premium bars, spend a few extra dollars on collars with protective inserts.

Will Olympic collars fit standard (1-inch) bars?

No — Olympic collars fit 2-inch diameter bar sleeves, while standard collars fit 1-inch bars. Most modern equipment uses Olympic spec. If you have older home-gym equipment with 1-inch bars, check the product listing for standard-compatible collars.

Do bumper plates need collars?

Yes — bumper plates slide just like iron plates and require collars for safe lifting. The only exception: some CrossFit-style drops from overhead actually benefit from letting plates shift slightly, so light spring collars (or no collars) are sometimes used. For all heavy or barbell-based lifting, always use collars.

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Barbell Clips / Collars