Skip to product information
Black kettlebell with pink accents on a white background

Cast Iron Kettlebells

In Stock - Ready to ship
WeightHeightBase ØHandle ØHandle W
4 kg165 mm110 mm28 mm120 mm
6 kg185 mm125 mm30 mm130 mm
8 kg200 mm140 mm32 mm140 mm
10 kg210 mm150 mm33 mm145 mm
12 kg225 mm160 mm34 mm150 mm
16 kg250 mm178 mm35 mm160 mm
20 kg270 mm192 mm36 mm170 mm
24 kg290 mm205 mm37 mm178 mm
28 kg305 mm215 mm38 mm185 mm
32 kg320 mm225 mm38 mm190 mm

Select Your Kettlebells

8 variants available
Lifetime Warranty
Free UK Delivery £500+
Cast Iron Build
Vinyl Coated
Kettlebell Price Qty Add Subtotal
🏋️ Single Kettlebell · 7 weights
Single Kettlebell / 2.0kg
2.0kg
Single
£3.99 £2.0/kg
£0.00
Single Kettlebell / 4.0Kg
4.0Kg
Single
£7.79 £1.95/kg
£0.00
Single Kettlebell / 6.0Kg
6.0Kg
Single
£11.69 £1.95/kg
£0.00
Single Kettlebell / 18.0Kg
18.0Kg
Single
£35.09 £1.95/kg
£0.00
Single Kettlebell / 24.0Kg
24.0Kg
Single
£46.79 £1.95/kg
£0.00
Single Kettlebell / 28.0Kg
28.0Kg
Single
£54.59 £1.95/kg
£0.00
Single Kettlebell / 36.0kg
36.0kg
Single
£70.99 £1.97/kg
£0.00
🗄️ Sets With Rack · 1 bundle
Sets With Rack / Set A (18.0kg)
Set A (18.0kg)
Set + Rack 4+6+8
Save 25%
£93.98 £125.31 £3.24/kg
£0.00
No variants match this filter.

Olympic 2" Barbell with Spring Collars

Complete your purchase with these accessories.

View
4ft Barbell & Clips / Black
4ft Barbell & Clips / Black £49.99
£0.00
4ft Barbell & Clips / Silver
4ft Barbell & Clips / Silver £49.99
£0.00
5ft Barbell & Clips / Black
5ft Barbell & Clips / Black £59.99
£0.00
5ft Barbell & Clips / Silver
5ft Barbell & Clips / Silver £59.99
£0.00
6ft Barbell & Clips / Black
6ft Barbell & Clips / Black £69.99
£0.00
6ft Barbell & Clips / Silver
6ft Barbell & Clips / Silver £69.99
£0.00
7ft Barbell & Clips / Black
7ft Barbell & Clips / Black £79.99
£0.00
7ft Barbell & Clips / Silver
7ft Barbell & Clips / Silver £79.99
£0.00
0 items 0.0kg £0.00
📊
Volume Rate: £0.00/kg
Add £500.00 more for FREE delivery
Zoomed image
⚖️ Compare Products 0

Compare Products (0)

Free Delivery

over £500

45-Day Returns

Secure Payments

We accept:

Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • Shop Pay
  • Union Pay
  • USDC
  • Visa
🛍️

Frequently Bought Together - Save More!

Extra Thick 10mm Non-Slip Yoga Mat
+£3.99
Neoprene Dumbbell Pairs
+£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)

You may also like

Find Your Perfect Set
30 Second Quiz

Find Your Perfect Dumbbell Set

Answer 4 quick questions for a personalized recommendation.

1
Experience
2
Goals
3
Space
4
Budget
Question 1 of 4

What's your strength training experience?

Beginner
New to weights or less than 1 year
Intermediate
1-3 years training consistently
Advanced
3+ years of structured training
Question 2 of 4

What's your primary training goal?

Toning
Lean muscle, endurance
Muscle
Build size, hypertrophy
Strength
Maximum power
General
Overall fitness
Question 3 of 4

How much space do you have?

Minimal
Corner of a room, apartment
Moderate
Spare room, garage space
Plenty
Dedicated gym area
Question 4 of 4

What's your budget range?

£
Budget-Friendly
Under £150 – Getting started
Mid-Range
£150 - £400 – Solid investment
Premium
£400+ – Complete setup
Your Perfect Match

-

-

-
-
-
Free Delivery
Lifetime Warranty
45-Day Returns
Rack Included
View This Bundle
Finding your perfect match...