Pro 100 EXP Stage 4 Kit (up to 100 lbs.)

Name: Pro 100 EXP Stage 4 Kit (up to 100 lbs.)
Brand: PowerBlock
SKU: 504-00186-01
Price: 219.0 USD
Availability: InStock

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 80lbs to 90 lbs to 100 lbs per hand.

$219.00

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 (5–80 lbs) dumbbells. If your dumbbells say Pro 100 EXP and currently max out at 80 lb, 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 100 lbs 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 100 lbs with the Stage 4 Expansion Kit. Sold in pairs, this kit includes two 10-pound additional weights per dumbbell, bringing your adjustable dumbbells up to 100 lbs. 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 100 lbs per dumbbell with the addition of 10 lbs per side.
Sold in pairs.
Requires Stage 2 and Stage 3 expansion kits for full compatibility.
Perfect for advanced strength training and progression.

Free shipping on residential products to the 48 contiguous United States via FedEx.
Commercial products ship via FedEx at calculated rates.
Expedited shipping is not available.
Orders are processed and shipped within 2–4 business days.
Heavier dumbbells and larger attachments may ship in multiple boxes.

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].

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