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A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • Black kettlebell with pink accents on a white background
  • Black kettlebell with red accents on a white background
  • Black kettlebell with blue accents on a white background
  • Black kettlebell with red accents on a white background
  • Black kettlebell with yellow accents on a white background
  • Black kettlebell with 18KG/40LB marking on a white background
  • Black kettlebell with 20kg marking on a white background
  • Black kettlebell with green accents on a white background
  • Black kettlebell with orange accents on a white background
  • Black kettlebell with 32KG and 70LB markings on a white background
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • A set of three cast iron kettlebells with black powder-coated finish. Each kettlebell has a green and red marker on the handle.
  • Set of black kettlebells of different weights on a light gray background
Cast Iron Kettlebells 4kg-32kg

Cast Iron Kettlebells 4kg-32kg
In Stock - Ready to ship

Select Your Option

21 variants available
Weight Price Qty Add Subtotal
Single Kettlebell / 4.0Kg
Single Kettlebell / 4.0Kg £7.79
£0.00
Single Kettlebell / 6.0Kg
Single Kettlebell / 6.0Kg £11.69
£0.00
Single Kettlebell / 8.0Kg
Single Kettlebell / 8.0Kg £15.59
£0.00
Single Kettlebell / 10.0Kg
Single Kettlebell / 10.0Kg £18.99
£0.00
Single Kettlebell / 12.0Kg
Single Kettlebell / 12.0Kg £22.99
£0.00
Single Kettlebell / 14.0Kg
Single Kettlebell / 14.0Kg £26.99
£0.00
Single Kettlebell / 16.0Kg
Single Kettlebell / 16.0Kg £30.99
£0.00
Single Kettlebell / 18.0Kg
Single Kettlebell / 18.0Kg £35.09
£0.00
Single Kettlebell / 20.0Kg
Single Kettlebell / 20.0Kg BEST VALUE £37.99
£0.00
Single Kettlebell / 24.0Kg
Single Kettlebell / 24.0Kg £46.79
£0.00
Single Kettlebell / 28.0Kg
Single Kettlebell / 28.0Kg £54.59
£0.00
Single Kettlebell / 32.0Kg
Single Kettlebell / 32.0Kg £62.39
£0.00
Set (Multiple Pairs) / Set A (18.0kg)
Set (Multiple Pairs) / Set A (18.0kg) £33.99
£0.00
Set (Multiple Pairs) / Set B (28.0kg)
Set (Multiple Pairs) / Set B (28.0kg) £53.99
£0.00
Set (Multiple Pairs) / Set C (36.0kg)
Set (Multiple Pairs) / Set C (36.0kg) £67.99
£0.00
Set (Multiple Pairs) / Set D (40.0kg)
Set (Multiple Pairs) / Set D (40.0kg) LOW STOCK £75.99
£0.00
Set (Multiple Pairs) / Set E (54.0kg)
Set (Multiple Pairs) / Set E (54.0kg) £102.99
£0.00
Set (Multiple Pairs) / Set F (78.0kg)
Set (Multiple Pairs) / Set F (78.0kg) £174.99
£0.00
Set (Multiple Pairs) / Set G (84.0kg)
Set (Multiple Pairs) / Set G (84.0kg) £163.79
£0.00
Set (Multiple Pairs) / Set H (102.0kg)
Set (Multiple Pairs) / Set H (102.0kg) £183.59
£0.00
Set (Multiple Pairs) / Set I (122.0kg)
Set (Multiple Pairs) / Set I (122.0kg) £230.99
£0.00

Hex Dumbbell Storage Rack

Keep your dumbbells organised and off the floor.

View
A3 Vertical Rack
A3 Vertical Rack Hold for up to 3 pairs £29.99
£0.00
A5 Vertical Rack
A5 Vertical Rack Hold for up to 5 pairs £44.99
£0.00
A6 Vertical Rack
A6 Vertical Rack Hold for up to 6 pairs £49.99
£0.00
L3 - 3Tier Rack
L3 - 3Tier Rack Hold for up to 12 pairs £99.99
£0.00
0 items 0.0kg £0.00
📊
Volume Rate: £0.00/kg
Add £500.00 more for FREE delivery
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Free Delivery

over £500

45-Day Returns

Secure Payments
💰

Bulk Order Discount Rates

Standard Rate: £1.70/kg (inc VAT) | Save more when you order in bulk! Discounts applied automatically at checkout.
Total Weight Discount % Your Price Best For
Under 500kg 0%
£1.70/kg (inc VAT)
 Home gyms, small studios
500kg - 999kg 5% OFF
£1.62/kg (inc VAT)
Save £0.08/kg
 Small commercial gyms
1,000kg - 2,999kg 10% OFF
£1.53/kg (inc VAT)
Save £0.17/kg
 Medium gyms, PT studios
3,000kg - 4,999kg 15% OFF
£1.44/kg (inc VAT)
£1.20/kg + VAT | Save £0.26/kg
 Large fitness centers
5,000kg+ 22% OFF
£1.32/kg (inc VAT)
£1.10/kg + VAT | Save £0.38/kg
 Commercial chains, resellers
📊 Example Savings Based on Standard Rate (£1.70/kg):
  • • 600kg order: £1,020 → £969 | Save £51 (5%)
  • • 1,500kg order: £2,550 → £2,295 | Save £255 (10%)
  • • 4,000kg order: £6,800 → £5,760 | Save £1,040 (15%)
  • • 6,000kg order: £10,200 → £7,920 | Save £2,280 (22%)
💡 How it works:
Orders under 3,000kg receive percentage discounts off the total. Orders 3,000kg+ use special bulk rates (£1.20/kg or £1.10/kg) plus 20% VAT, resulting in 15% and 22% savings respectively. All discounts are applied automatically.
📦

Complete Sets & Storage Solutions

Save money with our pre-configured sets or add a professional storage rack to your order.

SAVE £150

Starter Set

Includes:
  • • 6 pairs: 5kg, 2× 10kg, 2× 15kg, 2× 20kg
+ Barbell total 40kg
£72.49
£469.99
SAVE £250

Pro Set

Includes:
  • • All from Starter Set plus
  • • 2× 17.5kg, 2× 20kg, 2× 22.5kg
18 dumbbells total (225kg pairs)
£188.49
£799.99
MOST POPULAR

Complete Gym Set

Includes:
  • • Complete range 2.5kg - 30kg
  • • All from Starter + Pro
  • • Additional heavy pairs + bar rack
+ Barbell total 40kg
£1,130.99
£1,299.99

We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • Shop Pay
  • Union Pay
  • USDC
  • Visa

Returns Policy

Shipping Info

Warranty

Privacy Policy
🛍️

Frequently Bought Together - Save More!

Hex Dumbbell Set 2.5–30kg with Rack
+£560.99
Extra Thick 10mm Non-Slip Yoga Mat
+£3.99
Anti-Roll Non-Slip Neoprene Dumbbell Pair 0.5–10kg
+£2.49

Description

Transform your fitness journey with our professional-grade Cast Iron Kettlebells, engineered for serious training and lasting performance. Each kettlebell is crafted from one-piece solid cast iron construction, ensuring maximum durability and reliability. The smooth, wide handle accommodates both single and double-handed grips, allowing seamless transitions between exercises and greater training versatility.

The durable powder-coated finish not only resists chips and scratches but also enhances grip security, even during sweat-intensive sessions. Unlike hollow or vinyl-coated alternatives, these kettlebells provide a consistently balanced weight distribution, ensuring safer, more effective workouts across every movement.

Available in a full range of weight increments from 4kg to 32kg,these weight available as Pairs in 4kg, 6kg, 8kg, 10kg, 12kg,14kg, 16kg,18kg, 20kg, 24kg, 28kg, and 32kg also available as Sets 18kg, 28kg, 36kg, 40kg, 54kg, 78kg, 84kg, and 102kg. They’re suitable for all fitness levels—from beginners learning foundational lifts to advanced athletes performing complex functional training. The flat-bottom design offers stability for storage and enables expanded exercise options such as renegade rows, push-ups, and stability-based drills.

Perfect for building functional strength, explosive power, endurance, and coordination, our cast iron kettlebells are an essential addition to any home gym or commercial fitness facility.

Features

Key Features:

  • SOLID CAST IRON CONSTRUCTION - Manufactured from high-grade cast iron with a durable powder-coated finish that prevents corrosion and maintains integrity through countless workouts. Built to.

  • ERGONOMIC WIDE HANDLE DESIGN - Expertly crafted with a smooth, wide grip that comfortably accommodates one or two hands for dynamic movements. The textured handle surface provides secure control.

  • MULTIPLE WEIGHT OPTIONS AVAILABLE - Progressive training path with weights ranging from beginner-friendly 4kg to challenging 32kg options. Each kettlebell maintains identical dimensions with.

  • VERSATILE FULL-BODY WORKOUT TOOL - Perfect for swings, cleans, snatches, Turkish get-ups and goblet squats. Targets multiple muscle groups simultaneously for efficient training sessions that develop.

  • FLAT BASE DESIGN FOR STORAGE & EXERCISE - Features a stable flat bottom allowing upright storage and ground-based exercises like renegade rows or push-up variations. The space-efficient design makes.

Specifications

  • 6 kg Kettlebell: Measures 18.5 cm in height × 16.5 cm in width, with a 3 cm handle thickness

  • 8 kg Kettlebell: 20 cm tall × 17.5 cm wide, handle thickness of 3.3 cm

  • 10 kg Kettlebell: 21 cm height × 18.5 cm width, handle thickness 3.4 cm

  • 12 kg Kettlebell: 22 cm tall × 19 cm wide, handle thickness remains 3.4 cm

  • 14 kg Kettlebell: 2.5 cm height × 19.5 cm width, handle thickness 3.4 cm

  • 16 kg Kettlebell: Stands 23.5 cm tall × 20 cm wide, handle thickness 3.5 cm

  • 18 kg Kettlebell: 24 cm in height × 20 cm in width, with a 3.5 cm handle thickness

  • 20 kg Kettlebell: 25 cm tall × 20 cm wide, handle thickness 3.6 cm

  • 24 kg Kettlebell: 26.5 cm height × 21 cm width, handle thickness 3.7 cm

  • 28 kg Kettlebell: 28 cm tall × 22 cm wide, handle thickness 3.7 cm

Shipping & Returns

Last Updated: 18th December 2025

1. Service Area

Fitness Gear Online delivers within the United Kingdom only. We do not currently offer international shipping.

For large or bulk UK orders, you may contact us before placing your order.

2. Order Cut-Off & Processing Time

Same-Day Dispatch

Orders placed before 1:00 PM (13:00 GMT) on a business day are processed and dispatched the same day.

Orders Placed After 1 PM: Orders placed after 1 PM, on weekends, or on public holidays will be processed and dispatched on the next working day.

3. Delivery Timeframes

Once dispatched, UK delivery typically takes:
➡️ 1 – 4 business days (Monday to Friday) for all UK regions, including:

  • Mainland UK
  • Scotland
  • Northern Ireland
  • Highlands & Islands
  • Surcharge Zones

Delivery times may vary due to courier delays, seasonal demand, or unforeseen circumstances.

4. UK Shipping Rates (Weight-Based)

Shipping costs depend on order weight and delivery region. Below are your standard delivery rates.

📍 Mainland UK Shipping Rates

Delivery Time: 1–4 Business Days

Weight Range

Price

Up to 30 kg

£4.99

Up to 60 kg

£9.99

Up to 90 kg

£14.99

Up to 120 kg

£19.99

Up to 150 kg

£24.99

Up to 180 kg

£29.99

Up to 210 kg

£34.99

Up to 240 kg

£39.99

Up to 270 kg

£44.99

Up to 300 kg

£49.99

Up to 330 kg

£54.99

Up to 360 kg

£59.99

Up to 390 kg

£64.99

390.01 – 1000 kg (Pallet)

£79.99


Important Note

Some items may have larger packaging (volumetric weight) which can affect shipping cost. In these cases, rates are calculated automatically at checkout.

5. Couriers We Use

Your order may be delivered through one of our trusted courier partners:

  • DPD UK
  • Royal Mail
  • Evri
  • Parcelforce
  • FedEx
  • Yodel
  • Pallet Force (for heavy or palletised orders)

The courier is automatically selected based on weight, size, and delivery location.

6. Tracking & Delivery Updates

After your order is dispatched, you will receive a confirmation email with your tracking number. Please allow up to 48 hours for tracking to begin updating.

If your parcel has not arrived within 4 business days after dispatch, please contact us.

7. Failed Deliveries / Incorrect Address

Please double-check your delivery address during checkout.

If a delivery fails due to:

  • incorrect address
  • recipient unavailable
  • multiple missed courier attempts

➡ Re-delivery fees may apply.

8. Damaged, Missing, or Incorrect Items

If your item arrives damaged or incomplete:
Email: support@fitnessgearonline.co.uk
Within 7 days of delivery
Include:

  • photos of damage
  • packaging
  • your order number

We will arrange a replacement or refund as appropriate.

9. Returns

Please refer to our Return & Refund Policy for full details.

8. Contact Information

Business Name : Fitness Gear Online

Company Name : Ravian Retail Ltd

Address : Unit B Goddard Road, Astmoor Industrial Estate, Runcorn, WA7 1DX, United Kingdom

Email : support@fitnessgearonline.co.uk

Mobile : +44 7367 011128

VAT Number: GB440341045

Company Registration Number : 14050025

Customer Contact : Click Here to Contact Us

Hours: Mon - Fri: 9:00 AM - 5:30 PM  (GMT-LONDON TIME) (Live Chat and Email Support Available)

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