Product · BASETBL
BASETBL C051B: 200 kg, 60 cm wide seat
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BASETBL's C051B is an executive-style office chair for big and tall users, and its defining number is seat width: 60 cm, the widest stated among the heavy-duty chairs here. A 3D spring cushion system sits under PU leather, and the chair is rated to 200 kg on a reinforced frame with an anti-tip base. It suits larger users who want a roomy, sofa-like seat with proper certification behind it.
- Max load
- 200 kg
- Gas lift
- TUV and BIFMA certified
- Seat width
- 60 cm
- Frame
- Metal, anti-tip base
- Cover
- PU leather
In its favour
- The 60 cm seat is the widest stated in this guide, giving room to sit without the arms pressing in.
- BASETBL states EN 12520 strength certification and a TUV and BIFMA certified gas lift.
- The tilt locks anywhere between 90° and 120° for upright work or a relaxed lean.
Good to know
- The listing quotes both a 2-year and a 3-year warranty, so confirm which applies.
- Armrests are padded but not described as adjustable.
Our take
Seat and cushioning
The 3D spring cushion is designed to distribute weight evenly, reduce pressure on the hips and resist sagging, which is a common problem with foam-only seats under heavier loads. High-density foam padding sits above the springs. The seat is 60 cm wide, giving space to sit without the arms pressing in, and Amazon lists a backrest about 55 cm wide and 78 cm tall.
Back support and tilt
Lumbar support and the headrest are both adjustable, according to BASETBL, helping fit a range of body sizes. The tilt mechanism locks anywhere between 90 and 120 degrees, so you can sit upright for focused work or ease back a little. The armrests are sponge padded but not described as adjustable, so check them against your desk height.
Strength and certification
BASETBL says the metal frame is 50 percent thicker than standard designs and pairs it with an anti-tip base. The chair meets EN 12520 strength standards and uses a gas lift certified by TUV and BIFMA, with key components tested to 300,000 cycles. At about 27 kg it is heavy, though assembly is quoted at around 15 minutes with tools included. The listing contradicts itself on warranty, mentioning both two and three years, so confirm the term with the seller.
Heavy-duty alternatives
The Flexispot Big Max Pro is rated higher at 227 kg with a double steel tube frame, mesh upholstery and flip-up arms, but does not give a seat width. The Melokea ReliefBack offers 200 kg in a mesh chair with adjustable 3D arms and EN 12520 certification. The Efomao PU executive chair shares the 200 kg rating and adds a footrest. The C051B wins on seat width and spring cushioning.
Verdict
Pick the BASETBL C051B if seat width and a sprung, sofa-like seat matter most and you want EN 12520 certification. For the highest capacity, the Flexispot Big Max Pro goes further, and if you prefer breathable mesh and adjustable arms, the Melokea ReliefBack suits better.
Compared with alternatives in: Best office and gaming chairs for heavier people
Amazon listing title: BASETBL Heavy Duty Executive Office Gaming Chair for Big and Tall Users