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Stack & Save ⓘ

How it works

  • Buy 2, get 10% off
  • Buy 3, get 15% off
  • Buy 4+, get 20% off
BLK BOXSKU: 22-0620

3 Series Nexus Upgrade Kit - Full Rack

£2,450.00
Colour: Signature Black
Height
Alignment
  • Dispatches by 4th July

Enhance your Rigs and Racks with a range of attachments.

Delivery

Ships in 5 Working Days

  • Orders up to £50.00 — £4.99
  • Orders £50.01–£150.00 — £9.99
  • Orders £150.01–£349.99 — £19.99
  • Orders £350.00–£499.99 — £39.99
  • Orders £500.00 and over — Free

Finance Options

3 interest-free payments of £816.66
4 interest-free payments of £612.50
4 payments of £612.50 with PayPal

Installation Guide

Installation Guides

3 Series Nexus Upgrade Kit - Full Rack
3 Series Nexus Upgrade Kit - Full Rack11mbDownload
  • Precision Engineered Precision Engineered
  • Enhanced Versatility Enhanced Versatility
  • Functional Design Functional Design
  • Maximise Potential Maximise Potential

  • Free Shipping

    on orders over £500

  • Interest-Free Finance Options

    Available on all orders

  • Lifetime Structural Warranty

    on all BLK BOX Equipment

  • Over 300,000 Clients

    Including 90% of Premier League teams

The Details

NEXUS is the ultimate fusion of strength and functional fitness. Combining cable-based resistance with free-weight functional training. Combining cable-based resistance with free-weight functionality, it delivers seamless transitions between training styles - maximising efficiency and unlocking unlimited workout potential in one space-saving system.

The NEXUS upgrade kit is available for 3 and 5 Series racks, the modular expansion kit gives you the opportunity to add the additional cable functionality in Nexus to your racks.


Please note: This product is delivered flat-packed and requires assembly.

Features of the 3 Series Nexus Upgrade Kit - Full Rack

  • Double Wall Ball Target - BLK BOX

    Unique add ons

    Enhance your training space with custom-built add on's, including branded wall ball targets, monkey boards, and modular attachments. These additions elevate training variety while providing a memorable, high-performance experience for athletes.

  • In-house manufacturing

    By manufacturing in-house, we reduce lead times, ensure quality control, and minimise environmental impact by cutting down on transportation.

  • BLK BOX Shield

    Rig and Rack attachments are finished in our premium powder coating system designed for maximum durability, superior grip, and long-lasting protection.

Frequently Asked Questions

What makes the 3 Series different from the 1 or 5 Series?

The 3 Series offers a modular, future-proof design using 70x70x3mm steel. It includes 4-way numbered hole spacing and a broader range of colour and branding options than the 1 Series, while remaining more accessible than the elite-level 5 Series.

What are the height options for the 3 Series racks?

Racks are available in 2.2m or 2.4m heights to suit different ceiling clearances and facility needs. Taller options (up to 3.6m) are also available for rig setups.

Can I integrate cables and storage into the 3 Series?

Yes - the 3 Series supports integrated cable columns and multiple storage attachments. It’s designed to reduce footprint while enhancing training versatility.

Is the 3 Series available in different colours?

Absolutely. The 3 Series comes in 14 standard colours with optional branding upgrades, including custom brand plates and stack guards.