30% Off BLK BOX 1 and 3 Series Treadmills
BLK BOXSKU: 21-1179

Leg Extension Curl

£600.00
  • Ready to ship late November
  • Precision Engineered Precision Engineered
  • Enhanced Versatility Enhanced Versatility
  • Functional Design Functional Design
  • Maximise Potential Maximise Potential

Enhance your Rigs and Racks with a range of attachments.

Delivery

Made to order at BLK BOX HQ and ready to ship late November.

Your order is eligible for free shipping!

UK delivery costs (including Northern Ireland)

Order valueStandard tracked delivery
Up to £50.00 £4.99
£50.01 to £150.00 £9.99
£150.01 to £349.99 £19.99
£350.00 to £499.99 £39.99
£500.00 and over FREE

Based on your basket total after discounts. Your final delivery cost is confirmed at checkout.

Finance

3 interest-free payments of £200.00
4 interest-free payments of £150.00
4 payments of £150.00 with PayPal

  • 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

The BLK BOX Leg Extension / Curl Attachment transforms your rig or rack into a lower body isolation station. Designed for easy mounting, it enables both seated leg extensions and prone hamstring curls from a single setup.

With padded rollers and smooth movement, it delivers targeted muscle engagement, making it ideal for athletes focused on strength, rehab, or hypertrophy training.

Compatible with the 1, 3 and 5 Series racks.

Sold individually.

Features of the Leg Extension Curl

  • 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.