Inspired by Ultramodern design, the UltraChair is one of the most outstanding chairs in the market today. This chair is designed to offer comfort during long gaming sessions thanks to its superior quality padding.
AVAILABLE IN 3 DIFFERENT COLORS
AIR TECH
AIR Tech combines a pinhole design with premium nonwoven materials and foams to increase air circulation and breathability, keeping you comfortable and cool even after long gaming sessions.




ALL-DAY COMFORT
A firm seat with superior quality padding equipped with a full-size back cushion and headrest will provide you all-day comfort and support.


POWER NAP
A power nap will boost your memory, cognitive skills, creativity, and energy level. With the back rest adjustable up to 180°, you can lie straight down to power nap or just stare at the ceiling – whichever you prefer.

STRONG AND STURDY
Class-4 hydraulic lift supports up to 150kg.
GAS LIFT | CLASS 1 | CLASS 2 | CLASS 3 | CLASS 4 |
---|---|---|---|---|
BEARING WEIGHT (kg/lbs) | 100kg / 220lbs | 120kg / 265lbs | 150kg / 331lbs | 150kg / 331lbs |
CHARACTERISTICS | Not approved by BIFMA | Not approved by BIFMA | Approved by BIFMA X5.1 | Approved by BIFMA X5.1 |
Quality not guaranteed | Normal office chair selection | Gaming chair selection | Advanced gaming chair selection |


BIFMA is the trade association for business and institutional furniture manufacturers.
ADJUST FOR COMFORT
Adjust the seat height to your preferred seating position, lie back down to take a break or power nap while you plan your next move. Or just switch to the rocking mechanism while you rock back and forth in glee at the winning move you just executed.
RELAX
Rest your forearms on the 3D adjustable armrests, up/down, forward/backward, and pivot. Perfect for positioning your elbows just right during long hours of gameplay.
ROCK ON
Sit down. Lean back or put your feet up. Rockers not only reinvigorate us by promoting blood flow but also soothe us simply by rocking in a rhythmic movement.
ADJUST SEAT HEIGHT
Pneumatic seat-height adjustment with a 360-degree swivel. Perfect for gamers between 160cm – 185cm tall.
BUILT TO LAST
It is the combination of quality, solid materials and mechanisms that make ThunderX3 chairs the better choice.

STURDY BASE
A uniquely designed strong sturdy nylon base ensures your chair remains stable and is built to last.

ROLL IT
Nylon wheels ensure a smoother movement.

JUMP ON IT!
Tough metal frame ensures chair doesn’t warp or break.
CARBON FIBER LOOK
Complementing the racing car seat design, the carbon fiber look at the back of the UC5 conveys a unique premium quality ensuring the chair looks great from all angles.

CHAIR DIMENSIONS


Slide for Dimensions
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Model name | UC5 |
---|---|
Chair color | Black, Black/Red, Black/Cyan |
Chair size | L |
Weight capacity | <150kg/330lbs |
Recommended weight | <125kg/275lbs |
Colorlightning | None |
Foam type | High density foam |
Frame type | Metal |
Adjustable armrests | Yes, three-dimensional |
Adjustable backrest | Yes, 90° – 180° |
Mechanism type | Butterfly mechanism |
Rocking mechanism | Yes, 3° – 18° |
Rocking mechanism lock | No |
Gas lift class & height | BIFMA tested level 4, max. 80mm |
---|---|
Base size & type | 350mm metal base |
Caster size & material | 65mm nylon caster |
Caster brake | No |
Cover material | Leatherette with carbon pattern |
Overall dimension (W x D x H) | 70 x 70 x 129-137cm 27.5 x 27.5 x 50.8-54in |
Backrest dimension (W x T x H) | 60 x 90cm 23.6 x 35.4in |
Seat dimension (W x D x H) | 52 x 56.5 x 50-58cm 20.5 x 22 x 19.6-22.8in |
Product weight | 24.5kg/54lbs |
Patent No. | ZL 2017 2 0571489.7 |
Download your assembly guide.