PowerBlock Pro 100 series adjustable dumbbell weight plates with 90 and 100 pounds

Complete The Set And Reach 45.4 kg Per Dumbbell

The Stage 4 Kit expands your Pro 100 EXP Dumbbells from 36.3 kg to 40.8 kg to 45.4 kg per hand.

Pro 100 EXP Stage 4 Kit (up to 45.4 kg)

Regular price£199.00
/

Warning: Order cancellations and returns are subject to a 20% processing/restocking fee. 

This kit is only compatible with the Pro 100 EXP Stage 1,Stage 2 and Stage 3 (2.3–36.3 kg) dumbbells. If your dumbbells say Pro 100 EXP and currently max out at 36.3 kg, this kit fits.

It will not work with any other PowerBlock models. Check compatibility here.  If you are unsure of compatibility, please contact customer service.

  • A pair of Pro 100 EXP Stage 4 weights (one for each dumbbell) in a single box
  • Purple and black color‑coded side rails for quick weight identification
  • Everything needed to expand your existing Stage 1, Stage 2 and Stage 3 set to 45.4 kg per hand

Finish your setup with the expansion kit that locks smoothly into your Pro 100 EXP system, adding weight only when you’re ready for more. Built with the same welded steel stability you trust, this final stage delivers steady, long‑term strength progression in a compact, budget‑friendly home gym.

Sold as a pair
Free shipping1
5 year residential warranty - not valid for commercial use

Take your Pro 100 EXP Adjustable Dumbbells to the maximum 45.4 kg with the Stage 4 Expansion Kit. Sold in pairs, this kit includes two 4.5 kg additional weights per dumbbell, bringing your adjustable dumbbells up to 45.4 kg. To add Stage 4, you will need the original Pro 100 EXP set, along with the Stage 2 and Stage 3 Expansion Kits.

Key Features:

  • Increases weight to 45.4 kg per dumbbell with the addition of 4.5 kg per side.
  • Sold in pairs.
  • Requires Stage 2 and Stage 3 expansion kits for full compatibility.
  • Perfect for advanced strength training and progression.

PowerBlock generally will ship out an order processed through the site within 2-4 business days. We will communicate any back-orders or exceptions to this general time frame to you by e-mail or telephone.

We ship our products through various delivery services—Pallex, DPD, and common carrier freight lines—depending on size of order and location.

Upon receipt of your order, please inspect the packaging and products carefully. Any considerable damage to the box or products should be noted. If you find any damage to the products or any that ordered products are missing, please contact us immediately at +1 (800) 997-3999 or email [email protected]. We will help resolve the situation.

What is the benefit of purchasing the Pro 100 EXP Stage 4 Expansion Kit?

Stage 4 expands your Pro 100 EXP set to the full 100 lb range, giving you access to 90 lb and 100 lb weight options when you’re ready to advance. You don’t need a new dumbbell system, and the compact design keeps storage simple.

Does the Pro 100 EXP Stage 4 Kit work with other other PowerBlock sets?

No. The Pro 100 EXP Stage 4 kit will only work with the Pro 100 EXP set. You can check compatibility here.

Do I need to have the Pro 100 EXP Stage 3 Kit to use Stage 4?

Yes. The Pro 100 EXP Stage 1, Stage 2 and Stage 3 must be on your Pro 100 EXP set prior to using the Stage 4 kit.

Does the Pro 100 EXP Stage 1, Pro 100 EXP Stage 2 and Pro 100 EXP Stage 3 have to be purchased to use the Pro 100 EXP Stage 4 kit?

Yes. The Pro 100 EXP Stage 4 is an add on expansion kit and only functions when Stages 1, 2 and 3 are already in place.

Does the Pro 100 EXP Stage 2, Stage 3 or Stage 4 kits work with other other PowerBlock sets?

No. The Pro 100 EXP Stage 2, Stage 3 and Stage 4 kits will only work with the Pro 100 EXP set.

What is considered retail/home use?

Home use or retail sets are non-commercial sets that are utilized by one person or a small family in a home for personal, non-commercial use.

Are expansion kits sold in pairs?

Yes. When an expansion kit is purchased, there are enough weight plates included to expand both dumbbells.

What does “EXP” mean on this set?

“EXP” stands for Expandable.

How do I know if my set is compatible with this expansion kit?

Our Customer Support team can help you identify your set and direct you to the correct expansion if you are unsure! Please email a picture to [email protected].


Recently viewed


Pro 100 EXP Stage 4 Kit (up to 45.4 kg) Compatibility

Compatible With

  • Pro Series
    • Pro 100 EXP

Not Compatible With

  • Classic Series
    • Classic 45
    • Classic 50
    • Classic 50 Plus
    • Classic Personal Trainer
  • Commercial Series
    • Commercial Pro 50
    • Commercial Pro 90
    • Commercial Pro 100
    • Commercial Pro 125/175
    • Commercial Club 125/175
  • Elite Series
    • Elite EXP
    • Pre 2012 Elite USA
    • Elite USA 90
  • Other Series
    • Personal Plus
    • THE BLOCK
  • Pro Series
    • Pro 32
    • Pro Rexan
    • Pro 50
    • Pro EXP
  • Sport Series
    • Sport 24
    • Sport 2.4 - Steel
    • Sport 5.0
    • Sport 5.5
    • SportBlock 21
    • Sport 9.0
    • Sport EXP
    • Sport 50
  • Urethane Series
    • U20 (Urethane 20)
    • U32 (Urethane 32)
    • U33 (Urethane 33)
    • U50 (Urethane 50)
    • U70 (Urethane 70)
    • U90 (Urethane 90)