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 kg)

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.

Order from our partner at reviwell.de
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 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 kgs. 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 kgs per dumbbell with the addition of 4.5 kgs per side.
  • Sold in pairs.
  • Requires Stage 2 and Stage 3 expansion kits for full compatibility.
  • Perfect for advanced strength training and progression.

California Residents: WARNING: Cancer and Reproductive Harm - www.P65Warning.ca.gov

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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)