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

Complete The Set And Reach 100 lbs 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)

£219.00
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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.

Check Compatibility
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.

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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)