Benches
Shop the Core BenchFolding Weight Bench Buying Guide UK: What to Look For (and How the BrainGain Core Bench Measures Up)
A weight bench turns a pair of dumbbells into a home gym. This guide covers the four numbers that matter in a folding bench, the full BrainGain Core Bench specs, and who it suits and who it does not.
A weight bench is the piece of kit that turns a pair of dumbbells into a home gym. It is also the piece most people get wrong. Too big for the room, too wobbly to press on, or a flat bench when you wanted to incline. This guide covers what to look for in a folding weight bench in the UK, the numbers that matter, and how the BrainGain Core Bench measures up, including what it cannot do.
Want the exercises first? Our 15 dumbbell bench exercises guide shows what you can do on it. Short on time? Our home strength plan for busy people uses the bench in three 30-minute sessions.
The short version
- Our pick for most UK homes: BrainGain Core Bench, £99.99 (was £129.99). 7 backrest positions, 4 seat positions, folds to 87 × 29 × 50 cm.
- Check four numbers: bench load capacity, maximum user weight, folded size and the number of backrest positions.
- Core Bench limits: maximum user weight 120 kg, flat to incline only, no decline.
- Best value: Core Bench + 18 kg Kettlebell for £189.99, or the full Intermediate Gym Bundle for £399.
Why the bench matters more than people think
Without a bench, dumbbell training is mostly standing and floor work. With one, you add flat and incline presses, chest-supported rows, seated shoulder presses, Bulgarian split squats, hip thrusts and step-ups. A bench roughly doubles what one pair of dumbbells can do. That is why BrainGain puts the Core Bench in every UK gym bundle.
What to look for in a folding weight bench
- Bench load capacity. Add your body weight to the weight of both dumbbells and leave room to spare. A 90 kg lifter pressing two 30 kg dumbbells puts 150 kg on the bench. The Core Bench is rated to 380 kg.
- Maximum user weight. A separate number from load capacity, and the one people miss. The Core Bench is rated for users up to 120 kg. Heavier lifters should look for a commercial bench.
- Backrest and seat positions. More backrest positions give you more press angles. A seat that adjusts stops you sliding down on inclines. The Core Bench has 7 backrest positions from flat to incline (120 to 180 degrees) and 4 seat positions.
- Folded size. If the bench lives in a flat, spare room or garden office, this decides whether you keep using it. The Core Bench folds to 87 × 29 × 50 cm.
- Warranty and seller. Look for a UK seller and a clear warranty. The Core Bench has a 24-month warranty from BrainGain, a UK company.
BrainGain Core Bench: the specs
| Spec | Core Bench | What it means |
|---|---|---|
| Price | £99.99 (was £129.99) | an adjustable folding bench for under £100 |
| Backrest | 7 positions, 120 to 180 degrees | flat, low incline, high incline and seated |
| Seat | 4 positions | stops you sliding on inclines |
| Leg roller | removable foam roller | anchors you for sit-ups, comes off for presses |
| Open size | 118.7 × 39 × 68.8 cm, seat height 45.6 cm | about the footprint of a coffee table |
| Folded size | 87 × 29 × 50 cm | slides behind a sofa or into a cupboard |
| Bench load capacity | 380 kg | user plus weights |
| Maximum user weight | 120 kg | heavier lifters need a commercial bench |
| Decline | no | use a floor press instead |
| Warranty | 24 months | from a UK company |
| From the BrainGain Core Bench product page, checked 9 November 2026. | ||
The Core Bench pairs with any adjustable dumbbell. With the BrainGain 40 kg SmartBells Original, which ThePowerPlant reviews below, a 90 kg lifter pressing the full 40 kg in each hand puts 170 kg on a bench rated to 380 kg.
ThePowerPlant on the 40 kg SmartBells Original, the heaviest dumbbells you would press on the Core Bench.
Who the Core Bench is for, and who it is not for
It suits anyone training in a flat, spare room, box room or garden office, beginners and intermediate lifters, couples sharing one set of kit, and anyone who wants the bench out of sight between sessions.
It does not suit lifters over 120 kg, people who need a decline angle, or anyone pressing very heavy barbells off a rack. For a barbell setup look at our Squat Rack (£179.99) and a heavier bench.
The best bench is the one you can fit in the room and still want to use on a Tuesday night.
The best ways to buy it
1. Core Bench + 18 kg Adjustable Kettlebell
£189.99 · was £249.99
The Core Bench + 18 kg Kettlebell set adds swings, goblet squats and rows to everything the bench does. The kettlebell adjusts from 4 to 18 kg with a turn of the handle. If you already own dumbbells, this is the one to buy.
2. SmartBells Intermediate Gym Bundle
£399.00 · was £689.99
The Intermediate Gym Bundle includes the Core Bench, the 24 kg SmartBells Evo dumbbells, the 18 kg kettlebell and the SmartBells stand. BrainGain's guide below shows the stand going together.
BrainGain's guide to building the SmartBells stand, which comes with the Core Bench in the Intermediate Gym Bundle.
3. Core Bench on its own
£99.99 · was £129.99
The Core Bench on its own, for anyone who already has weights. It works with the 24 kg SmartBells Evo, the 40 kg SmartBells Original and the 40 kg SmartBells Evo.
How to set it up safely
- Put it on a flat floor, ideally on a gym mat or rug that will not slide.
- Check every locking pin is fully in before you sit or lie on it.
- Change the backrest angle with no weights on the bench.
- Sit on the end first, then lie back with the dumbbells on your thighs, and kick them up one at a time.
The verdict
For most UK homes, a folding bench beats a fixed one, because it gets used instead of getting in the way. The BrainGain Core Bench gives you 7 backrest positions, 4 seat positions, a 380 kg load capacity and a 24-month warranty for £99.99, and folds to 87 × 29 × 50 cm. Its limits are a 120 kg user weight and no decline. Buy it with the 18 kg kettlebell for £189.99, or in the Intermediate Gym Bundle for £399.
Frequently Asked Questions
What should I look for in a folding weight bench?
Bench load capacity, maximum user weight, the number of backrest and seat positions, folded size and the warranty. Load capacity should cover your body weight plus both dumbbells with room to spare.
What are the BrainGain Core Bench specs?
7 backrest positions from 120 to 180 degrees, 4 seat positions, a removable leg roller, a 380 kg bench load capacity, a 120 kg maximum user weight, and a folded size of 87 × 29 × 50 cm. It costs £99.99 with a 24-month warranty.
Does the Core Bench decline?
No. It goes from flat to incline. Use a floor press or the flat setting for exercises you would do on a decline.
What is the difference between load capacity and maximum user weight?
Load capacity is the total weight the bench takes, you plus the weights. Maximum user weight is the heaviest person it is rated for. On the Core Bench they are 380 kg and 120 kg.
Is a folding bench stable enough for dumbbell presses?
Yes, if it is on a flat floor, every pin is locked and you stay within its ratings. Change angles with no weight on the bench.
24-month warranty on BrainGain dumbbells, kettlebells and benches in the UK store. Prices checked 9 November 2026.
Keep reading
- BrainGain UK store product pages, prices and specifications checked on braingain.fit on 9 November 2026.
- BrainGain Core Bench product page: 7 backrest positions (120 to 180 degrees), 4 seat positions, removable leg roller, folds to 87 x 29 x 50 cm, maximum user weight 120 kg, bench load capacity 380 kg, 24-month warranty, checked 9 November 2026.
- BrainGain customer survey, 2026 (n=73 verified customers), internal data.
- ThePowerPlant, "40kg Adjustable Dumbbells (BrainGain) - Review", YouTube, 12 October 2023.
- BrainGain, "SmartBells Dumbbells Stand Assembly Guide (24kg & 40kg)", YouTube, 10 June 2026.
- Trustpilot rating for BrainGain: 4.7 stars from 2,000+ reviews, checked 9 November 2026.
This article is for general information and is not medical advice. Prices checked on braingain.fit on 9 November 2026.