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Gas Lifts · From €19.90 · EU Shipping 2–5 Days

Gaming Chair
Gas Lift Replacement

Fix a sinking or stuck gaming chair in under 10 minutes. BIFMA-certified gas lifts in Class 3, Class 4 and Heavy Duty. Universal fit for ~95% of gaming and office chairs. No tools required.

See all gas lifts → Replacement guide
From €19.90 BIFMA-certified ~95% chair compatibility 30-day returns Up to 3-year warranty
3Gas lift models
€19.90Starting price
~95%Chair compatibility
10 minInstall time
3yrMax warranty
⚡ Quick answer

Why is my gaming chair sinking — and what gas lift do I need?

A sinking gaming chair is almost always caused by a worn-out gas lift (also called a gas cylinder or pneumatic cylinder). The internal nitrogen charge has leaked, so the chair can no longer hold its height. The fix is simple: replace the gas lift. Class 4 (€24.90) fits ~95% of modern gaming chairs. Class 3 (€19.90) fits older or lighter chairs. Heavy Duty (€29.90) is for users over 100 kg or intensive daily use. Installation takes under 10 minutes — no tools needed. Read more: Why is my gaming chair sinking?

All Gas Lifts

Choose your replacement gas lift

Three options to match your chair type, weight and usage. All BIFMA-certified and EU-shipped.

Class 3 gaming chair gas lift replacement
Gas Lift

Gas Lift – Class 3

Replacement gas lift for older gaming and office chairs. BIFMA-certified, pressure-tested to 14,000 N. Fits chairs with a Class 3 cylinder socket.

  • Stroke: 80–100 mm
  • Diameter: 50 mm standard
  • BIFMA-certified
  • 1-year warranty
€19.90
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Class 4 gaming chair gas lift replacement most popular
Most Popular

Gas Lift – Class 4

The most common gaming chair gas lift replacement. Fits ~95% of modern gaming and office chairs. BIFMA-certified, pressure-tested to 14,000 N.

  • Stroke: 100–130 mm
  • Diameter: 50 mm standard
  • BIFMA-certified
  • 3-year warranty
€24.90
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Heavy duty gaming chair gas lift replacement 150kg
Heavy Duty

Gas Lift – Heavy Duty Class 4

Reinforced gas lift for heavy-duty use. Maximum load up to 150 kg. Ideal for users over 100 kg or intensive daily environments.

  • Stroke: 100–130 mm
  • Load: up to 150 kg
  • BIFMA-certified
  • 3-year warranty
€29.90
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Comparison

Class 3 vs. Class 4 vs. Heavy Duty

All three gas lifts use the same 50mm diameter and fit the same chair bases. The difference is stroke length, load rating and warranty.

Specification Class 3 Class 4 Most popular Heavy Duty Class 4
Price€19.90€24.90€29.90
Stroke length80–100 mm100–130 mm100–130 mm
Cylinder diameter50 mm50 mm50 mm
Max load~120 kg~120 kg150 kg
BIFMA-certifiedYesYesYes
Pressure tested14,000 N14,000 N14,000 N+
Best forOlder/lighter chairsMost gaming chairs (2015+)Heavy users / daily use
Warranty1 year3 years3 years
EU shipping2–5 days2–5 days2–5 days
Installation

Replace your gas lift in 4 steps

No tools required. Most replacements take under 10 minutes. See our full step-by-step guide: How to replace a gaming chair gas lift →

01

Remove the seat

Lift the seat straight up off the gas lift cylinder. It is not bolted — it sits on a tapered cone and releases with a firm upward pull.

02

Remove the old gas lift

Flip the base upside down. Tap the old cylinder out of the base with a rubber mallet or by hand. It slides out of the tapered socket.

03

Insert the new gas lift

Insert the new gas lift into the base socket. It should slide in firmly. No tools or fasteners needed — it is held by the taper fit.

04

Reattach the seat

Place the seat back on top of the gas lift. Sit down to lock it in place under your weight. The chair is now ready to use.

Why repair?

Repair for €24.90.
Or buy new for €150–500.

💶

Save €125–475

A new gaming chair costs €150–500+. A replacement gas lift costs €19.90–29.90. The repair pays for itself immediately.

⏱️

10-minute fix

Gas lift replacement is the easiest chair repair. No tools, no technical skills, no disassembly of the seat or mechanism.

♻️

Keep your chair

A sinking gas lift is the only problem. The rest of your chair — frame, foam, fabric — is still in perfect condition.

🛡️

BIFMA-certified quality

Our gas lifts meet the same international standard as the originals — often with a longer warranty than the chair came with.

FAQ

Common questions about gas lift replacement

How do I know if my gaming chair needs a new gas lift?

The most common sign is a sinking chair — you sit down and the chair slowly or immediately drops to its lowest position. Other signs include a stuck chair that won't adjust height, a wobbly cylinder, or a clicking/hissing sound when adjusting. In 90% of sinking chair cases, a gas lift replacement fixes the problem completely.

What is the difference between Class 3 and Class 4 gas lifts?

Class 4 is the modern standard with a higher pressure rating and longer stroke (100–130mm). It fits approximately 95% of gaming chairs made after 2015. Class 3 has a shorter stroke (80–100mm) and is found in older or lighter chairs. If you are unsure, Class 4 is the right choice for most gaming chairs.

Will a replacement gas lift fit my gaming chair?

Our gas lifts are designed for ~95% compatibility with gaming and office chairs. They use the standard 50mm diameter cylinder that fits most chair bases and seat plates. The Class 4 fits the vast majority of modern gaming chairs. If your chair is older or unusually heavy-duty, the Class 3 or Heavy Duty Class 4 may be more appropriate.

How do I replace a gaming chair gas lift?

Gas lift replacement takes 5–10 minutes and requires no tools. Step 1: Remove the seat by pulling it straight up. Step 2: Flip the base and tap out the old cylinder. Step 3: Insert the new gas lift into the base. Step 4: Place the seat back on top and sit down to lock it. See our full guide: How to replace a gaming chair gas lift →

What does a gaming chair gas lift replacement cost?

Our gaming chair gas lift replacements start at €19.90 for Class 3, €24.90 for Class 4 (most popular), and €29.90 for Heavy Duty Class 4. All include EU shipping within 2–5 days. Compared to buying a new gaming chair (€150–500+), replacing the gas lift is by far the most cost-effective repair.

What is a Heavy Duty gas lift and do I need one?

The Heavy Duty Class 4 gas lift is designed for users over 100 kg or chairs used in intensive daily environments (offices, gaming cafés). It has a reinforced cylinder with a higher load rating of up to 150 kg. For most home users under 100 kg, the standard Class 4 is sufficient.

Do you ship gas lifts across Europe?

Yes — we ship to all EU countries within 2–5 business days. Orders placed before 14:00 CET are typically dispatched the same day. All gas lifts come with a 1–3 year warranty and 30-day returns.

Are your gas lifts BIFMA-certified?

Yes. All our gas lifts are BIFMA-certified and pressure-tested to 14,000 Newtons. BIFMA (Business and Institutional Furniture Manufacturers Association) is the international standard for office and gaming chair components. Our gas lifts meet or exceed the same certification as the originals.

Ready to fix your
sinking gaming chair?

Choose your gas lift, order before 14:00 CET and it ships today. EU delivery in 2–5 days.

Class 4 — €24.90 → All chair parts Replacement guide