Flybird 4 in 1 Roman Chair with Adjustable Weight Bench
- 800 lb weight capacity
- 4 in 1 design: Roman chair, weight bench, sit-up bench, hyperextension
- 16 kg
- Alloy steel frame, iron parts
- Red finish
Last refreshed Jul 5, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A multi-position bench frame that covers back extensions, sit-ups and flat or adjustable bench work. The listing gives few details on adjustment ranges or padding.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B08DQPGSZ1Category: Roman Chairs
Overview
An adjustable alloy steel frame converts between a Roman chair for back extensions, a sit-up bench and a weight bench. The setup is aimed at the back of the body and is built for a home gym.
One frame replaces several single-use benches and fits into a home gym where space is limited. The listing gives a very high weight capacity but no adjustment angles, folding information or pad details.
Who it's for
Home lifters who train glutes, hamstrings and the lower back and want a bench for other lifts. Buyers who need a compact fold-flat design or details of every angle should compare other models.
Pros and cons
- Four uses in one frame
- High weight capacity
- Alloy steel frame
- Targets glutes and lower back
- Adjustment angles not described
- Pad and foot roller details missing
- Folding not mentioned
Performance notes
Hyperextension work happens by anchoring the feet and letting the torso hinge at the hips, loading the glutes, hamstrings and lower back. The frame's stiffness and the floor contact matter for stability under load. Adjustable positions let one frame serve both bench presses and sit-ups.
Specifications
| Brand | Flybird |
|---|---|
| Weight Capacity Maximum | 800 pounds |
| Material | Alloy Steel |
| Color | Red |
| Item Dimensions D x W x H | 20 x 50 x 30 inches |
| Item weight | 16 kilograms |
Closest rivals on specs
MERACH MR-2554 Roman Chair Back Extension Bench- Weight Capacity Maximum 800 vs 400 pounds (+100%)
LIONSCOOL Adjustable Roman Chair Back Extension Bench- Weight Capacity Maximum 800 vs 350 pounds (+129%)
LifePro SculptTrainer Foldable Roman Chair- Weight Capacity Maximum 800 vs 330 pounds (+142%)
Frequently asked questions
Is the Flybird Roman chair also a weight bench?
Yes. The title calls it a 4 in 1 with an adjustable weight bench and a sit-up bench.
Is the Flybird Roman chair only for back extensions?
No. The title lists glutes, hamstrings and lower back extensions plus weight bench and sit-up bench use.