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75 lbs (34 kg) Quick-Lock Dumbbell Upgrade Kit


  • World’s STRONGEST adjustable dumbbells.
  • Takes the 45 lbs Dumbbell Set up to 75 lbs per dumbbell.
  • Includes 12 x 5 lbs (2.2 kg) plates.
  • Lifetime warranty.
  • No plastic parts.
(1 customer review)

Out of stock

If you own the 45 lbs Ironmaster Quick-Lock Adjustable Dumbbell Set and want to add more weight to your workouts, you need the Ironmaster 75lb Quick-Lock Adjustable Dumbbell Upgrade Kit.

This upgrade kit includes 12 x 5 lbs (2.2 kg) Quick-Lock Dumbbell weight plates, so you can increase the weight on your 45 lbs (20.5 kg) adjustable dumbbells in 5 lbs (2.2 kg) increments to a total of 75 lbs (34 kg).

This upgrade kit indispensable for all weight trainers who want to lift heavier, make fast progress, and get more from their home gym workouts.

Ironmaster is one of the oldest, best-loved home gym equipment manufacturers. We’re trusted by customers ranging from IFBB Pro bodybuilders to guys kitting out tiny home gyms in their garage.

“The dumbbells are excellent. Tough, good grip, no fear of break in case of a drop, fast change of weights. Best design at the best price.” – Chris

Why choose the 75 lb QLDB Upgrade Kit?

Unbeatable Quality

This upgrade kit is made from steel and iron, with no plastic parts or flimsy pieces. The high-grade steel handles are chrome plated and each weight plate is precision cast and hand machined.

The World’s Strongest Adjustable Dumbbells?

Could the Quick-Lock Adjustable Dumbbells be the world’s strongest home gym dumbbells? It’s a bold claim, but we back it up by providing a lifetime warranty. This is commercial-quality kit for your home gym. Just drop the weight at the end of your set, if that’s your style. Our dumbbells are so strong, they can withstand the impact. And the locking system is solid.

No rattling plates or wobbling parts. We’ve thrown everything at these dumbbells and they still work!
This is equipment designed and developed by guys who love training as much as you do. And it’s used by some of the strongest athletes in the world.

Buy it once, Buy it right

If you are starting up your own home gym or you are want to upgrade old, tired equipment you have come to the right place.

But you might be wondering, “why don’t I just buy something cheaper?”

The answer is simple. With Ironmaster’s design, materials, and durability, you will never have to doubt your gym equipment again.

And with our lifetime warranty, you’ll never have to buy it again!

So you could buy cheaper, but do you really want to risk training with substandard equipment, and then have to buy replacements in a few years?

“It’s extremely well built and I’d imagine it would last a lifetime. If you’re considering other dumbbells, pay the extra amount for these, they are well worth the investment.” – Dario

Don’t cut corners when you’re kitting out your home gym. Buy the best.

This kit gives you the opportunity to add some serious weight to your Ironmaster Adjustable Dumbbells. We guarantee that they can withstand anything and will last a lifetime. You don’t need to think about anything except lifting.

So what are you waiting for, order your 75 lbs upgrade kit today.

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60 lbs (27 kg)


6.5" (16.5 cm)


6.5" (16.5 cm)

Weight Plates

12 x 5 lbs (2.2 kg) plate


Lifetime Warranty

GMC ProductID



  • Upgrade Kit includes 12 x 5 lbs (2.2 kg) Quick-Lock Dumbbell weight plates.
  • Total weight is 60 lbs (27.2 kg).
  • This kit adds 30 lbs (13.6 kg) to each 45 lbs (20.5 kg) Quick-Lock Dumbbell so they will have the same weight and number of plates as the 75 lbs (34 kg) Quick-Lock Dumbbells.
  • The locking screws for the 45 lb (20.5 kg) dumbbells are the same as the 75 lbs (34 kg) dumbbells so all you need are these plates to have a full 75 lbs (34 kg) set.



Quick-Lock Dumbbell Addon Kit

1 review for 75 lbs (34 kg) Quick-Lock Dumbbell Upgrade Kit

  1. It’s more weight.
    Not much to say here – if you love the ironmaster system you will love these additional plates. Now I don’t have to switch plates from my curl bar and dumbbells as much which is great.

    5 out of 5
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