Unfortunately, this deal has expired 21 July 2023.
Posted 9 July 2023

Opti Cast Iron Dumbbell Set - 20kg - £40 (+ Free Collection) @ Argos

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Opti Cast Iron Dumbbell Set - 20kg

Free collection is available from Store. Seems a good deal for cast iron - set of 2 dumbbell 10 kg each dumbbell.

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About this product
Give your home workout a professional look with this Opti Cast Iron Dumbbell set. These dumbbells are perfect for a whole-body workout and can help you achieve whatever fitness goals you have, without leaving the house. Work your upper body and add some extra resistance to your lower body workouts. The cast iron design is built to last and the rubber grips give you a more comfortable workout.

The dumbbells are perfect to perform a range of exercises including hammer and bicep curls and tricep extensions to work on your upper arms and lateral, side and rear raises with shoulder presses to build stronger shoulders. Target your legs by adding weight to lunges or squats to increase your strength and enhance your balance.

Made of cast iron these weights are built to last and the rubber grips will make it comfortable for you to use for longer. Bar material: Steel.

  • Circular shape weights.
  • Spinlock.
  • Adjustable weights - can add and remove weights as desired.
  • 18 pieces in this weight set.

Argos More details at

Community Updates
Edited by a community support team member, 17 July 2023
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  1. sixfoureight's avatar
    I have 2 sets of these both pretty good. Bar weighs 1kg so 11kg each
    Laurence_Saunders's avatar
    Just for the record, the stated weights usually include the bars themselves.

    e.g. if each bar is 1kg, and the total weight is 20kg, then it will come with two 1kg bars, and a set of weights that totals 18kg.

    After all, your body doesn't especially care which bits are making it heavy.
  2. BodenWRX's avatar
    Really good set of weights, I’ve got some. However the price isn’t very good, I’ve bought them for 32.92 including delivery in March 22 . Cold
    ViewFromHere's avatar
    Everything is more expensive though in July 2023 rather than March 2022 wouldn't you agree? It's a decent price price for a decent set I'd think... Good find OP in my opinion (edited)
  3. rikeshk's avatar
    Can these be expanded with other brand weight plates such as the York plates?
    lacom's avatar
    yes. standard 1" bar
  4. Denney_Masters's avatar
    This seems expensive. I paid £30 6 months ago from Argos.
    nonono's avatar
    It’s more expensive now but this is the lowest price I could find now for this type. People who need this now would probably have to pay the cost of inflation etc
  5. sdaniaal's avatar
    Just remember how much gym membership costs now
    TheMagnificentSpoon's avatar
    Surprisingly about the same as it always did. I remember my £35 gym membership in 1999.

    Currently paying £25 for two at our local. Admittedly much smaller but the free weights section is fine
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