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How to Choose the Right Barbell for Strength and Hypertrophy

Not all barbells are created equal. Choosing the right bar for your goals can improve performance, reduce injury risk, and help you train more effectively.

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What Makes a Barbell Good for Strength Training?

Strength-focused lifters—especially powerlifters—benefit from bars with stiff shafts, sharp knurling, and minimal whip. This ensures a stable, predictable feel under heavy loads.

Choosing a Barbell for Hypertrophy

Hypertrophy training prioritizes moderate weights and higher reps. Bars that offer smoother knurling and some flex (whip) reduce strain and make high-volume work more comfortable.

Key Barbell Features to Understand

Shaft Diameter

28mm–29mm is typical. Thicker shafts reduce whip and feel more stable—ideal for powerlifters. Thinner shafts allow more bend and better grip for Olympic-style lifting.

Knurling

Aggressive knurling boosts grip security but can tear up your hands. Smoother knurling is better for volume training and hypertrophy sessions.

Whip

“Whip” is how much a bar flexes. Olympic lifters want more whip. Powerlifters want less. Choose based on the type of lifts you focus on most.

Bearings vs Bushings

Bearings allow faster sleeve spin—great for Olympic lifts. Bushings are cheaper, more durable, and totally fine for most strength and hypertrophy training.

Tensile Strength

Look for 190,000 PSI or higher to ensure durability. Low PSI bars are more likely to permanently bend under load.

Popular Barbell Types

Power Bars

Stiff, center-knurled, and built for squats, bench, and deadlift. Minimal whip and aggressive grip.

Olympic Weightlifting Bars

More whip, faster spinning sleeves, and smoother knurling—great for snatch and clean & jerk.

Multipurpose Bars

Blend features from both worlds. Good for general fitness, hypertrophy, and versatile garage gyms.

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Maintenance Tips

Clean the bar regularly with a stiff nylon brush. Wipe off chalk. Don’t store in humid areas or drop on concrete. Use barbell racks or vertical holders when possible.

Barbell Quality Affects Your Long-Term Gains

Using a cheap or inappropriate bar can hinder your technique, increase risk of injury, or shorten the lifespan of your setup. A solid bar pays off long term.

Also check out: Best Barbell for Powerbuilding and this detailed guide by Stronger By Science.

Want more powerbuilding strategies and real-world lifting insights? Browse the full Iron Alliances strength training hub.

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About the Author

Nathaniel Sablan is a powerlifting coach and USAPL 75kg lifter. He helps intermediate lifters dial in their training setups and progression plans. Follow him on Instagram: @nattyliftz_75kg.