Vendor: Trulap

Trulap 8552 to 8592 Expansion Kit

$399.00

Sku: 52to92

Product variants

Estimated Delivery 6-10 Days

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Description

23.5kg → 41.5kg Per-Dumbbell Weight Upgrade

Twist-Lock Same Adjustment Mechanism

Set of 2 Converts Both Dumbbells

3 Years Manufacturer Warranty

Trulap 8552 To 8592 Expansion Kit plates

The dumbbell ceiling problem

You got stronger. Your adjustable dumbbells didn't

Progressive overload eventually runs into a hard stop on any adjustable dumbbell. Once you're twisting the handle to its top setting on every set, the usual fix is buying a second, heavier pair, doubling the cost and the floor space of what you already own.

The Trulap 8552 to 8592 Expansion Kit installs directly into the docking base and handle mechanism of your existing Trulap 8552 dumbbells, raising the top end from 23.5kg to 41.5kg per hand, the same ceiling as Trulap's flagship 8592 set.

No new stand, no new dock, and no change to the 500 by 215mm base footprint your dumbbells already sit in. You're upgrading the weight range, not replacing the system.

What's actually in the box

Extra plates, same mechanism you already trust

The kit is sold as a matched set of 2, one upgrade per dumbbell, so both sides of your pair reach the new ceiling together instead of leaving one dumbbell stuck at the old range.

✓ Additional cast iron plates that lock into the same twist-handle adjustment system

✓ Keeps the same dual kg and lb display on every plate, unchanged from the base set

✓ Fits the existing 36mm handle and docking base, no separate rack or stand required

✓ Backed by the same 3 year manufacturer warranty as the original dumbbells

Because the dumbbell automatically shortens at lighter settings, adding plates for the top range doesn't change how compact the dumbbell feels at the low end of the scale.

Trulap 8552 To 8592 Expansion Kit installed on dumbbell handle

Trulap 8552 To 8592 Expansion Kit full weight range in a home gym

What reviewers say about the full range

The range this kit unlocks is the widest independent testers have used

"Trulap offers the widest ranges of quick change adjustable dumbbells we've tested to date."

Garage Gym Reviews, Independent Adjustable Dumbbell Review

A brand new Trulap 8592 set runs close to $850, and a separate heavier pair of fixed dumbbells to cover the same top-end weight would cost even more once you account for the extra floor space. The expansion kit reaches that identical 41.5kg ceiling on hardware you already own for a fraction of the price of starting over.

Best for

Current Trulap 8552 owners who have maxed out their 23.5kg top end and want genuine heavy-lift capacity without buying an entirely new adjustable dumbbell set.

Includes free delivery. The Fitness Outlet is an authorized Trulap dealer, ensuring full manufacturer warranty support on every purchase.

Specifications

Specifications data

Dumbbell length: adjustable

Base Footprint: 500mm x 215mm

Warranty

Warranty data

Trulap 3-Year Warranty

Warranty Term
Trulap products are covered for 3 years from the date you receive your order.

What's Covered

Manufacturing defects
Shipping-related damage

Simply contact us with your order number to start a warranty claim. A $29.99 shipping and handling fee applies.

What's Not Covered

Normal wear and tear or cosmetic damage
Damage caused by misuse, neglect, accidents, or improper maintenance
Unauthorized modifications
Damage caused by natural disasters or other uncontrollable events

FAQs

Frequently asked question

How does the Trulap Expansion Kit compare to other adjustable-dumbbell upgrade paths in its class?

The Trulap 8552-to-8592 Expansion Kit stands out in the adjustable dumbbell category by offering something most competing systems don't: a purpose-built upgrade path that lets existing 52-lb-max owners extend their dumbbells to a full 92 lb per hand without replacing the entire system. Most adjustable dumbbell brands force users to buy a complete new set when they outgrow their capacity — Trulap instead lets you keep your original handles, base, and mechanism and just add the additional plates. Combined with a 3-year warranty, free shipping, and Trulap's twist-to-select mechanism (no pins or dials), it delivers a cost-effective, environmentally sensible way to grow your training tools alongside your strength.

Who is the Trulap Expansion Kit best for?

The Trulap Expansion Kit is best for existing Trulap 8552 G4 owners who have outgrown the 52-lb-per-hand range — including intermediate and advanced lifters progressing into heavier compound work (bench press, rows, RDLs, split squats), personal trainers whose clients now need heavier options, and users who bought the 8552 G4 as a starter set with plans to expand later. It's an especially strong fit for anyone who wants to protect their initial investment rather than reselling a complete adjustable set to buy a heavier one.

Is the Trulap Expansion Kit compatible with all Trulap dumbbells?

No, the Expansion Kit is compatible only with the Trulap 8552 G4 (the 52-lb-max model). It is not compatible with the 8592 G4 (which is already at max capacity) or with older Trulap generations that used different mechanisms or plate designs. Before ordering, confirm that your existing dumbbells are the 8552 G4 model.

How does the installation work?

Installation is designed to be straightforward — the additional plates integrate into your existing Trulap dumbbell mechanism, using the same twist-to-select system. After installation, the dumbbells operate exactly as the 8592 G4 does: twist the handle while in the docking base, and the appropriate plates lock or unlock automatically. If you have questions during setup, Trulap offers 24/7 phone and email support.

Will the Expansion Kit change how my dumbbells feel or function?

The core feel and function remain the same. You'll notice two changes: (1) the dumbbells are slightly longer at the highest weight settings because more plates are stacked, though the auto-adjusting length still shortens them at lighter loads for natural feel; and (2) the docking base is larger (500 mm x 215 mm vs. the original 370 mm x 215 mm) to accommodate the additional plates. The twist-to-select adjustment, grip, materials, and overall handling are otherwise unchanged.