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PowerBlock B2B

PowerBlock Pro EZ Curl Barbell

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$199

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XMARK

XMark Crowbar: 7ft Olympic Weightlifting Bar

1,500 lb CapacityMulti-Pressure ATA SettingsOngoing US-Based Phone Support

$199

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The Standard Answer: 45 Pounds for Most Barbells

Walk into almost any gym and grab the bar on the squat rack without any plates loaded, and you are holding 45 pounds. That is the Olympic standard, and it is the number most lifters mean when they say "just the bar." But there are several bar types in common use, and each has a different weight, a different diameter, and a different job to do. Getting the number wrong throws off your program, and for newer lifters especially, the difference between a 45-pound bar and a 35-pound bar matters more than it sounds.

The confusion is understandable. Barbells look similar at a glance, and gyms rarely label them. This article breaks down every common bar type, gives you the real weights, and explains why those weights exist in the first place.

Olympic Barbells: The 45-Pound (20 kg) Standard

The men's Olympic barbell is 7 feet long, 28 to 29 mm in shaft diameter, and weighs 20 kilograms, which converts to 44.09 pounds. Gyms and equipment manufacturers round this to 45 pounds, and that is the number almost universally used in American programming. If a workout says "add 135 lbs," you are putting a 45-pound bar plus two 45-pound plates on each side.

The 20 kg standard traces back to the International Weightlifting Federation (IWF), which governs Olympic lifting competitions. The bar's dimensions are tightly specified: 2-inch (50 mm) sleeves for plate loading, a tensile strength high enough to handle dynamic Olympic lifts, and a sleeve rotation system (either bushings or bearings) that lets the plates spin independently of the shaft during a snatch or clean. That rotation matters a great deal for Olympic lifting, less so for a standard deadlift.

The XMark Crowbar is a good example of what a serious multi-purpose Olympic bar looks like. It weighs 43 pounds, runs 86.5 inches overall with a 51.5-inch shaft, and carries a 1,500-pound weight capacity. The 28mm shaft diameter sits at the narrow end of the Olympic range, which gives it a bit more flex (or "whip") than a stiffer powerlifting bar, and brass bushings handle the sleeve rotation. The Cerakote shaft finish and hard-chrome micro-grooved sleeves are there for corrosion resistance, which matters for home gyms where humidity control is not always perfect.

The Women's Olympic Bar: 35 Pounds (15 kg)

The women's Olympic barbell is a legitimate standard, not a scaled-down version. It weighs 15 kilograms (33.07 pounds, usually called 35 pounds in gym shorthand), measures 6.5 feet in length, and has a slightly narrower 25mm shaft. The narrower diameter is not an aesthetic choice. Women's hands are, on average, smaller, and a thinner shaft improves grip security and reduces forearm fatigue, particularly during snatches and cleans where the bar is caught overhead or at the front rack.

The IWF mandated the women's bar specification to match the strength demands of the sport at the time the standard was set. In competition, plates are loaded to achieve the intended total, so the bar weight is always accounted for precisely. In a commercial gym setting, the women's bar is often color-coded (usually with red collar markings) to distinguish it from the men's bar. At home, you may have only one bar, so knowing which type you own changes every calculation in your training log.

If you train with a women's bar and move to a standard 45-pound bar, you are adding 10 pounds to every exercise without changing a single plate. That difference has surprised more than a few lifters who switched gyms or started training at home with different equipment than they were used to.

Powerlifting Bars: Same Weight, Different Stiffness

A powerlifting barbell also weighs 20 kg (45 pounds), but it is built differently from an Olympic weightlifting bar. The shaft is typically 29mm rather than 28mm, and the steel is heat-treated and rated to a higher tensile strength to resist bending under extremely heavy loads. There is minimal whip by design. A deadlift bar, which is a sub-type, intentionally has more flex and a thinner 27mm shaft to let the ends load before the center breaks from the floor, giving lifters a slight mechanical advantage at very heavy weights.

The knurling pattern also differs. Powerlifting bars often have more aggressive knurling and a center knurl to grip the back during squats. The XMark Crowbar bridges this gap with medium-depth knurling and a center knurl, giving it enough grip for heavy back squats without tearing up the palms on higher-rep work. IWF and IPF knurling marks are both present, which means you can find standard hand placement for either sport.

For most home gym users, the distinction between an Olympic bar and a powerlifting bar is less important than it sounds. Both weigh the same, both take standard 2-inch plates, and both handle squats, bench press, rows, and deadlifts without issue. The differences become meaningful when you are handling near-maximal loads in a specific competitive discipline.

EZ Curl Bar Weight: Lighter, and It Varies More

The EZ curl bar is the wavy-grip bar most associated with bicep curls and skull crushers. Standard EZ curl bars weigh between 10 and 25 pounds depending on the manufacturer, with most fixed-weight versions landing around 15 to 18 pounds. The curved sections (called the "camber") reduce wrist pronation during curls, which takes strain off the wrists and forearms and allows a more comfortable grip angle for most people.

Adjustable EZ curl bars add complexity. The PowerBlock Pro EZ Curl Bar, for instance, does not function as a standalone weighted implement. It is a bar adapter that works with PowerBlock Pro Series adjustable dumbbells (specifically the Pro EXP and Pro 50 models, and the Urethane Series U50, U70, and U90). You attach your existing dumbbell weight stacks to each end using a magnetic selector pin, and the total weight is whatever your dumbbell setting provides plus the bar itself. The bar measures 33 inches in length (48 inches total) with a 25mm knurled steel shaft, and includes adder weights for 2.5-pound increments.

This system is genuinely useful in a space-limited home gym. You already own the weight; you are just changing the implement. If you do not own compatible PowerBlock dumbbells, the bar serves no purpose on its own. Knowing the bar's actual empty weight becomes less relevant here because you will always be loading it from your existing dumbbell set, and the color-coded weight chart on the handle keeps the math simple.

Technique Bars: Training Light on Purpose

A technique bar is designed for learning movement patterns, particularly for Olympic lifts, without the weight of a full-sized bar getting in the way. They typically weigh between 5 and 15 pounds and are often made from aluminum or plastic. Youth athletes and beginners learning the snatch or clean and jerk start here, where the priority is positional accuracy rather than load.

PVC pipe serves the same function in many teaching environments. A 10-foot section of standard PVC weighs almost nothing, which makes it ideal for drilling overhead positions and footwork. Some coaches prefer the lighter version during initial instruction precisely because the absence of any real load forces the lifter to rely on technique rather than momentum.

For home gym users, technique bars are worth considering if you are teaching a younger family member to lift or if you are working through a movement pattern that requires a lot of repetition before adding load. They are not built for heavy work, and their plate collars are not always 2-inch standard, so check compatibility before buying plates to go with one.

Adjustable Barbells: A Different Weight Math

Adjustable barbells, like the PowerBlock straight bar systems, change how you think about bar weight because the bar itself is an adapter rather than a standalone implement. The PowerBlock Sport 24 Straight Bar works only with Sport 24 adjustable dumbbells, adjusting from 15 to 57 pounds total (bar plus weight). The 28mm knurled bar is 33 inches long (48.25 inches overall), and the color-coded weight chart on the handle matches the Sport 24 system, so you are not doing mental arithmetic during your workout.

The PowerBlock Pro Straight Bar operates on the same principle but pairs with the Pro 100 EXP dumbbells. It is also a 28mm knurled steel bar at 33 inches (48.5 inches total), built to IPF grip diameter standards. Unlike a traditional barbell where you know the bar weighs 45 pounds and add plates from there, these systems present you with a total loaded weight that includes the bar. That is worth understanding when you are comparing a movement's difficulty across different equipment setups.

The practical benefit in a home gym is space and cost. Instead of a barbell, a rack of plates, and separate dumbbells, you get a system that converts between two implement types using one weight stack. For exercises like barbell rows, squats, and curls at moderate loads, both PowerBlock straight bar options handle the demand well. For very heavy compound lifts or anything requiring real barbell whip, a dedicated Olympic bar like the XMark Crowbar is the right tool. Building out a well-rounded home gym usually involves both, which is why browsing XMARK barbells and equipment alongside adjustable dumbbell systems gives you a clearer picture of where each product fits.

Why Bar Weight Matters More Than Most Beginners Expect

New lifters often focus exclusively on the plates they add, treating the bar as a constant they do not need to track. But the bar is always part of the load. A 45-pound bar with no plates is still a 45-pound workout tool, and for someone just starting out, that alone is a meaningful resistance level for several movements.

Progression math depends on knowing your baseline. If you are working up to a 135-pound squat and you are using a 43-pound bar rather than a 45-pound bar, your actual load is 133 pounds. Over months of training, those small discrepancies compound, and lifters who track carefully will notice. This is one reason that many evidence-based strength programs specify the bar weight explicitly rather than assuming a standard.

Building a complete home gym that supports accurate training means thinking through what bar types you actually need. An equipment checklist helps you avoid buying redundant implements and identify the gaps in your setup before you spend money. For most people doing general strength work, one quality Olympic bar covers squats, deadlifts, bench press, overhead press, and rows. A separate EZ curl bar or adjustable curl bar adds value if upper-arm isolation work is a regular part of your program.

Storage is the other practical constraint. A full-length 7-foot Olympic bar does not fit in every space, which is where the shorter adjustable barbell systems earn their keep. If floor space or ceiling height is limited, a smaller, more efficient gym setup built around adjustable implements might be more useful than a traditional barbell-and-plates arrangement.

Bar Type Comparison: Weights and Key Specs at a Glance

The table below summarizes the most common barbell types and their standard weights. Individual products vary, so always check the spec sheet for the specific bar you are buying.

Bar Type	Standard Weight	Shaft Diameter	Best For
Men's Olympic Bar	44–45 lbs (20 kg)	28–29mm	All compound lifts, Olympic lifting
Women's Olympic Bar	33–35 lbs (15 kg)	25mm	Olympic lifting, general training
Powerlifting Bar	45 lbs (20 kg)	29mm	Squat, bench, deadlift
EZ Curl Bar (fixed)	10–25 lbs	25–28mm	Curls, tricep extensions
Technique Bar	5–15 lbs	25–28mm	Learning Olympic movements
XMark Crowbar (Olympic)	43 lbs	28mm	Multi-purpose strength training

One thing the table cannot show is the feel difference between bars at the same nominal weight. A 43-pound bar with a Cerakote shaft and brass bushings behaves differently under load than a cheaper 45-pound bar with a painted shaft and needle bearings. Tensile strength and knurling depth affect grip security, and sleeve spin quality affects how the bar feels during Olympic pulls. Specifications matter, but so does the construction behind them.

Choosing the Right Bar for Your Training

For most home gym users doing general strength training, a standard men's Olympic bar in the 43 to 45-pound range handles everything. If you are predominantly doing isolation work, specifically curls and tricep exercises, an EZ curl bar reduces wrist discomfort and is worth adding. If you train with a partner whose strength level or hand size differs significantly from yours, a women's bar becomes a practical rather than optional choice.

Space-constrained setups benefit from the adjustable barbell systems. The PowerBlock Sport 24 and Pro straight bars are genuinely versatile for moderate-load training, and they eliminate the need for a full plate collection. The trade-off is load ceiling: none of these systems match the capacity of a dedicated Olympic bar for heavy compound work, and they are not interchangeable with all PowerBlock dumbbell models, so compatibility checking before purchase is non-negotiable.

A well-organized gym also means your bars are accessible and protected. Horizontal storage racks and vertical plate trees keep things off the floor and extend bar life considerably. Good storage solutions are often an afterthought in home gym planning but make a bigger difference than most people expect once the equipment is in place. If you are looking for other equipment to round out your training space, browsing home gym machines gives you a sense of what pairs well with a barbell-based program.

The bottom line is straightforward: know what bar you own, write down its weight, and build your programming from there. Whether it is 43 pounds, 45 pounds, or a 15-pound technique bar you are using to drill the snatch, that number is always part of your lift, and accounting for it accurately is one of the simpler habits that separates a well-managed training program from a guesswork one. Your bench pressing numbers will thank you for the right bench setup to go alongside whichever bar you choose.

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