Ironmaster
Ironmaster Heavy Handle Plate Kit
The Heavy Handle Plate Kit adds 15 lb to each Ironmaster Quick-Lock dumbbell handle, but every so...
$149.00
Buy NowThe Trulap 8592 G4 is a quick-change adjustable dumbbell set spanning 8.5 to 92 lbs (4 to 42 kg) across 26 individual weight increments, replacing up to 52 traditional dumbbells (26 pairs) in a single compact docking base. Weight changes are made by twisting the handle while the dumbbell sits in its cradle – a mechanism similar to Nuobell’s – and the dumbbell’s overall length shortens automatically at lighter weights for a more compact feel. Plates are cast iron with an electroplated stainless finish, the handle is aluminum with volcano-style knurling, and the docking base is reinforced nylon; it’s backed by a 3-year warranty covering manufacturing defects and shipping damage (drop damage is explicitly excluded). It’s the larger of Trulap’s two G4 sets – the smaller 8552 tops out at 52 lbs – and owners can upgrade from one to the other with an expansion kit rather than buying a whole new set. Independent reviewers (Garage Gym Reviews, ShreddedDad, Garage Gym Experiment) rate it a solid mid-tier value against pricier rivals like PowerBlock and Ironmaster, while flagging nylon internal gearing that can wear or stick and kg-first weight increments that read oddly in pounds.
| Display | Dual lb/kg weight readout |
|---|---|
| Replaces | 52 traditional dumbbells (26 pairs) |
| Warranty | 3 years (manufacturing defects and shipping damage; excludes drop damage) |
| Manufacturer | Trulap |
| Weight range | 8.5-92 lb (4-42 kg) |
| Base material | Reinforced nylon |
| Handle length | 127mm (5 in) |
| Pipe material | Stainless steel |
| Base footprint | 500mm x 215mm |
| Plate diameter | 195mm |
| Plate material | Cast iron with electroplated stainless finish |
| Handle material | Aluminum, volcano knurling, 34mm diameter |
| Weight increments | 26 settings, ~2.5-3.5 lb steps |
| Adjustment mechanism | Twist-lock handle while docked in cradle |
Adjustable dumbbells replace a whole rack of fixed dumbbells with one pair whose weight you change via a dial, pin, or selector plate. They are the space-and-money saver for home gyms: a single set can span roughly 5–50+ lb per hand. The trade-offs are bulkier handles, a fixed max weight, and a mechanism that can wear or rattle.
Fast adjustment (dial or lever beats stacking plates), a wide and useful weight range, a balanced feel that doesn’t clunk mid-rep, and a durable locking mechanism. Many sets include or offer a stand — worth it, since the blocks are awkward to load off the floor.
| Trulap 8592 G4 Dumbbells | Quick-Lock Adjustable Dumbbell System | EXP 90 | QuickDraw™ Adjustable Dumbbells | |
|---|---|---|---|---|
| GymRadar rating | 4.67/5 | 4.69/5 | 4.6/5 | 4.59/5 |
| Price | $839.96 | $499.00 | $867.00 | $335.99 |
| Display | Dual lb/kg weight readout | |||
| Replaces | 52 traditional dumbbells (26 pairs) | 28 traditional dumbbells and 825 lb of free weight | ||
| Warranty | 3 years (manufacturing defects and shipping damage; excludes drop damage) | Lifetime | 5-year limited warranty, residential use only | |
| Manufacturer | Trulap | Ironmaster | PowerBlock | |
| Weight range | 8.5-92 lb (4-42 kg) | 5-90 lb per dumbbell | 5–60 lb | |
| Base material | Reinforced nylon | |||
| Handle length | 127mm (5 in) | |||
| Pipe material | Stainless steel | |||
| Base footprint | 500mm x 215mm | |||
| Plate diameter | 195mm | |||
| Plate material | Cast iron with electroplated stainless finish | Chrome-plated steel and cast iron, square with rounded corners | Welded steel, made in the USA | |
| Handle material | Aluminum, volcano knurling, 34mm diameter | Chrome-plated steel with diamond knurling | ||
| Weight increments | 26 settings, ~2.5-3.5 lb steps | |||
| Adjustment mechanism | Twist-lock handle while docked in cradle |
| Expert | 4.67/5 | 4 reviews | |
| Youtube | 4.2/5 | 4 reviews |
The Trulap 8592 G4 earns solid marks as a mid-tier quick-change adjustable dumbbell: its 26-step, twist-lock adjustment from 8.5 to 92 lbs is one of the widest micro-adjustment ranges reviewers tested in this price bracket, and real-world owners report the cast-iron/electroplated-stainless finish holding up well after months of regular, sweaty use. The standout dimension is functionality – the sheer number of increments and a traditional round-head feel set it apart from boxier alternatives like PowerBlock – while build quality is the weakest link: Garage Gym Reviews calls out nylon internal gearing that can wear and stick, and a separate reviewer’s unit failed outright under a deliberate drop test (damage explicitly excluded from Trulap’s 3-year warranty). At roughly $800-840, it undercuts PowerBlock 100s and Ironmaster while still being expandable from the smaller 8552 set, making it a reasonable buy for lifters who set weights down carefully rather than drop or toss them.
$839.96
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