ATOM™ NUCLEUS Luxury Executive Carbon Fibre PC Office Gaming Chair with Multi Tilt & Alloy Base

+ Premium PU Leather, Full Cold Cure Foam Design, 4D Armrests, Memory Foam Cushions & Recliner.

£249.99 inc VAT + Free Delivery*

Klarna Badge Pay Later Choose Klarna at checkout to buy now and pay later*.

+ -
Pay Later with Klarna

Buy the ATOM™ NUCLEUS: now and pay later with Klarna. No Interest. No Fees. No Credit Check. Simply choose Klarna at checkout.

*Please spend responsibly. Borrowing more than you can afford could seriously affect your financial status. Make sure you can afford to make your monthly repayments on time. abroco Ltd is not a lender and acts only as an introducer. The credit product is provided by Klarna Bank AB (publ). Credit is only available to permanent UK residents aged 18 and over, depending on their status. Terms and conditions apply. Please note that Pay in 30 days and Pay in 3 instalments are not regulated by the FCA. Terms and Conditions. Visit Klarna for more information.

Klarna Badge

Pay later in 30 days

Buy now and get up to 30 days to pay. Sit comfortably and enjoy your ATOM™ before making a single payment. No Interest. No Fees.

Klarna Badge

3 interest free instalments

Pay in 3 equal, interest-free payments. Initial payment will be automatically charged at the point of purchase then every 30 days until completed. Perfect for spreading the cost over 3 manageable instalments. No Interest. No Fees.

Delivery & Returns Read our delivery policy here.

+ -

Delivery Information

Here at abroco we offer free next business day delivery with DPD for all orders within England, Wales, Southern Scotland & Isle of Wight (Zone A). Order before 12 noon Monday - Friday & get your item next business day (excludes weekends or bank/public holidays). For Saturday/Sunday delivery there is an additional charge of £10 per item (Zone A) & must be placed before 12 noon Friday.

We ship to the whole of the UK (inc BT & offshore islands). For full details & zone guide please see our Delivery Information Page.

Delivery Rates

Your ATOM™ will be delivered with DPD for a fast, safe & fully tracked reliable service. When your order is placed you will receive a confirmation e-mail followed by full DPD tracking notifications once dispatched from our warehouse. Please see our delivery rates which can be selected at checkout:

Next Business Day


(Zone A)
Saturday Delivery


(Zone A)
Sunday Delivery


(Zone A)
Highlands, BT & Offshore


*Please note for Highlands & offshore islands please allow 2-5 working days for delivery.

30 Day Returns

If you wish to return an item please notify us within 30 days of delivery & we will collect free of charge. To be eligible for a return & qualify for a full refund the chair must be brand new, undamaged & safely packed in the original box prior to building the chair. Once the chair has been assembled you would still be eligible for a refund however deductions will be made for any damage/wear caused during assembly/use during the 30 day period. Please contact us with your order number & one of our team members will help you to arrange a suitable day for collection.

For full details please see our Returns Information Page.

  • The ATOM™ Nucleus Standard does not have a restock date, however the ATOM™ RS Premium is currently in stock.

    NUCLEUS, ATOM's flagship executive PC office pro gaming chair. Work smart, rest easy & upgrade your office chair for the ultimate seating experience. Minimalist stealthy design expertly upholstered in a blend of premium all black & carbon fibre style PU leather fabric. This fully optimised high-back computer chair combines premium grade materials with advanced ergonomic features, perfect for serious home office & PC gaming setups.

    Highly adjustable 24 hour all day chair, you can fully customise your seating position, setting you up perfectly for long sessions at your desk. This multi functional computer chair includes 4D armrests, height adjustment, multi setting rocking tilt function, 360° swivel, full length recline, 5 star metal alloy base & memory foam lumbar/neck support cushions. ATOM™ NUCLEUS is fitted with a cold cure foam seat & backrest designed to maximise comfort. This fully integrated foam design provides optimal support & comfort for extended work/gaming sessions.

    Sit in complete comfort with excellent ergonomics & benefit from long term performance with ATOM™ NUCLEUS, a serious contender to the higher priced alternatives. Invest in your work from home office/gaming setup with ATOM™ a specialist UK brand, reviewed by their customers for producing unrivalled specification & features vs price. ATOM™ Pro Gaming Chairs, designed & developed in the UK.

    Included upgrades: Cold cure foam backrest & seat, multi setting tilt lock function, heavy duty metal alloy base & carbon fibre style PU leather.

    Compare All Products In The ATOM™ Pro Gaming Chair Range


Premium Features:

  • 4D armrests, (eight ways of adjustment)
  • Reclining backrest 90° - 160°
  • Multi setting rocking tilt function
  • Height adjustable class 4 hydraulic piston
  • Memory foam lumbar & neck support cushions

High Grade Materials:

  • Premium scratch resistant all black + carbon fibre style PU leather fabric 
  • Full cold cure foam seat & backrest
  • Custom steel frame - 100kg max load, 24 hour use
  • Heavy duty metal alloy five star base with 60mm castors
  • All black embroidered logos on backrest & cushions

ATOM™ Range Product Comparison:

The ATOM™ GT & RS, our original pro gaming chair series. ATOM™  Black Edition models, RS Premium & GT Premium are the upgraded versions of the original series. ATOM™ NUCLEUS completes the range & is our flagship luxury executive office gaming chair, available in both standard & perforated leather variants.

For full feature comparison view our Product Comparison Page.

What's In The Box?

  • ATOM™ NUCLEUS Executive Office Pro Gaming Chair
  • Includes memory foam lumbar & neck support cushions
  • Bolt set, hex key, instructions & warranty card
  • FREE ATOM™ Gaming mouse mat

All ATOM™ Gaming Chairs are securely packed, all parts individually wrapped & protected in a heavy duty ATOM™ branded box for safe delivery.


ATOM Nucleus - Product Dimensions
ATOM Nucleus - Product Dimensions
ATOM Nucleus - Product Dimensions

Learn more

ATOM Nucleus - Leather Closeup

The Perfect Blend Of Black & Carbon Style Premium PU Leather

ATOM™ NUCLEUS executive office pro gaming chair, expertly upholstered in premium PU leather fabric, selected for its durability & excellent finish. The PU is completely synthetic, rip tested & is designed to last the chairs lifespan. Water resistant, easy to maintain & perfectly replicates genuine leather. The subtle use of carbon fibre style PU on the seat & backrest compliments the black leather & delivers an all black minimalist stealthy look for serious PC gaming / home office setups.

ATOM Nucleus - 4D Armrests

Ergonomic 4D Armrests Find Your Optimal Position

Fully adjustable ergonomic 4D armrests. Find the perfect position for your arms with 8 ways of adjustment. The 4D's streamlined design is finished with a firm moulded foam surface for optimal comfort & grip. Customise the armrest position to suit your activity, increase the time spent sitting comfortably & enhance your seating experience. This premium feature comes as standard on all products in the ATOM™ gaming chair range.

Armrest adjustments include: Left / Right rotation, Left / Right lateral sliding function, Front / Back sliding function & Up / Down height adjustment.

ATOM Nucleus - Recliner

Change Levels & Relax With 160° Recliner

Adjust your chairs position & recline back from 90°-160°. The full length ergonomic reclining backrest provides options for working, resting & gaming. Designed for spending long periods of time at your desk. Sit upright, choose from multiple angle settings or completely lay back to find the perfect level of relaxation.

ATOM Nucleus - Multi Setting Rocking Tilt

Create Motion & Ease Tension With Multi Setting Rocking Tilt Function

An upgrade to the standard tilt mechanism, the multi-setting is designed to enable the user to rock & lock the chairs axis in various tilt angles from 90-135°. This ergonomic feature offers further customisation to your chairs seating position & is easily operated using the paddle lever. Either set a fixed tilt angle or gently rock back & forth, a great way create motion, relax & unwind while spending a long time working or gaming in your chair. You can adjust the amount of resistance required to rock back via the tension control setting under the seat.

ATOM Nucleus - Memory Foam Support Cushions

Improve Posture & Reduce Back Pain With Memory Foam Cushions

Take comfort to the next level with luxurious memory foam lumbar & neck support cushions. These premium cushions are designed to feel soft but incredibly supportive & will keep you comfortable for hours in the chair. Maintaining correct posture is key for good ergonomics, reducing back pain & sitting comfortably for longer. Support cushions reduce temptation to slouch forward & keeps the spine in its natural position.

Upholstered in all black premium PU leather fabric with subtle black embroidery. Both cushions are fully adjustable or removable depending on your preference or activity. Memory foam support cushions are included with all products in the ATOM™ pro gaming chair range.

ATOM Nucleus - Premium Grade Materials

High Grade Materials For Long Term Performance

For both the seat & backrest ATOM™ NUCLEUS models use a densely padded extra thick cold cure foam. This premium feature delivers an extremely comfortable ergonomic seating experience, the material has refined properties designed to help maintain form over long term use. ATOM's custom frame is constructed using a thicker grade steel to improve the chairs structural integrity & is the solid foundation for a robust 24 hour gaming chair. These high spec materials are featured across all products in the ATOM™ range & are covered with a 2 year product warranty.

ATOM - Class 4 Piston

Height Adjustable Class 4 Hydraulic Piston

In terms of standards & safety, the class 4 hydraulic piston (gas lift) is the best in its class. The piston controls the chairs height adjustment & is easily operated using a paddle lever. The ATOM™ NUCLEUS executive pro gaming chair has a min/max seat height of 50-56cm.

ATOM Nucleus - Alloy Base & Castors

Five Star Metal Alloy Base & 60mm Castors

ATOM™ NUCLEUS executive pro gaming chair models are fitted with a 360° swivel heavy duty metal alloy five star base providing a solid foundation with little to no flex while under load. The base is powder coated in a matte black, accompanied with smooth running 60mm hard floor castors for easy maneuverability & increased stability.

ATOM Nucleus - Full seat view

Upgrade Your Setup & Sit In Complete Comfort

ATOM™ NUCLEUS executive pro gaming chair, the perfect ergonomic computer seat designed for spending a long time working from home or gaming at your desk. All features, components & materials have been carefully selected to form a premium quality 24 hour home office / PC gaming chair. Minimalist stealthy design, robust build & high end specification. Comfort & performance for serious PC gaming, racing, working & home office computing setups.

Still Searching? Compare The Full ATOM™ Pro Gaming Chair Range