Ironmaster 45 lb Quick-Lock Adjustable Dumbbell

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Adjustable dumbbells have come a long way since the traditional spin-lock design. New selector pin and dial-a-weight designs have made these dumbbells faster and easier to use, while improving durability. Now before we get to the details of the ironmaster dumbbells, you should;
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read my adjustable dumbbell comparison post, where I compare different adjustable dumbbells.

The Ironmaster 45 lb Quick-Lock Adjustable Dumbbell System is a relatively new entry to this market, but it has already received very positive reviews from those who have purchased it. Featuring all-steel construction and its signature Quick-Lock plate-changing system, this dumbbell set is ideal for traditional weight lifting as well as fast-paced conditioning workouts.

Ironmaster 45 lb Quick-Lock Adjustable Dumbbell Specifications

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  • Heavy-duty welded steel construction with no plastic parts
  • Two dumbbells, each featuring six 5 lb plates and two 2.5 lb plates, for a total of 45 lbs per dumbbell
  • Quick-Lock plate-changing system lets you adjust dumbbells in seconds
  • Comfortable chrome-finished handles
  • Expandable up to 75 lbs
  • Dimensions: 6.5″ x 6.5″ x 11.5″
  • Limited lifetime warranty


Ironmaster has marketed these dumbbells as a durable, heavy-duty set that won’t fall apart after repeated use. Unlike some of its competitors, this dumbbell system is made out of 100% pure steel, with the handles finished with a chrome grip similar to classic spin-lock dumbbells.
The weight plates are easily adjusted using the Quick-Lock system, and allow for even finer adjustments with the 2.5 lb plates. Those who outgrow the 45 lb limit on these dumbbells can expand the set up to 75 lbs.

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  • What’s most likeable about these dumbbells is how sturdy their construction is.
  • There’s no risk of breaking any flimsy plastic pieces
  • The handle and plates fit together nicely.
  • The Quick-Lock design holds the plates together very firmly, so that once you’ve locked the plates in, it feels like a one-piece dumbbell.
  • There isn’t any of the rattle or shaking that you usually see with other models, which makes this a great set for doing conditioning exercises like P90X.
  • Adjusting the plates is simple, and is relatively quick compared to using a traditional spin-lock dumbbell. The chrome-finished handle features a criss-cross pattern that’s just enough to provide a lot of grip, without tearing your palms apart.
  • Best of all, at such a low price, it’s still less expensive than buying a full set of individual weights, while being just as durable.

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  • If you’re concerned about looks, then you should know that the chip paints easily during regular use. However, this doesn’t have any effect on the dumbbell itself, as its steel body withstands all kinds of punishment.
  • Figuring out how to use the Quick-Lock system isn’t very difficult, but mastering it to change plates faster can take you a few weeks to get used to. It’s not uncommon to take 25-30 seconds to completely change the plates on both dumbbells, but you can bring this down to 15 and even 10 seconds with enough practice. Still, it may not be enough to do drop sets or other exercises where you need to change weights in the span of a few seconds.


Ironmaster 45 lb Quick-Lock Adjustable Dumbbell – Verdict

For the price, the Ironmaster Quick-Lock 45 lb Adjustable Dumbbells are a steal, especially with such a solid build quality and a simple and effective plate-changing mechanism. While the Quick-Lock isn’t the fastest plate-changing system on the market, the quality of the dumbbell’s construction more than makes up for it.
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