--- product_id: 331427341 title: "PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG" brand: "proiron" price: "£131.50" currency: GBP in_stock: true reviews_count: 13 category: "Proiron" url: https://www.desertcart.co.uk/products/331427341-proiron-cast-iron-adjustable-dumbbell-set-hand-weight-with-solid store_origin: GB region: United Kingdom --- # Iron spinlock for secure plates 143mm ergonomic knurled grip 15-30kg adjustable weight range PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG **Brand:** proiron **Price:** £131.50 **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your home gym game with PROIRON’s pro-grade adjustable dumbbells! ## Quick Answers - **What is this?** PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG by proiron - **How much does it cost?** £131.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/331427341-proiron-cast-iron-adjustable-dumbbell-set-hand-weight-with-solid) ## Best For - proiron enthusiasts ## Why This Product - Trusted proiron brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rock-Solid Security:** Iron spinlocks and anti-loose O-rings keep your plates locked tight during intense workouts. - • **Ergonomic Grip Design:** Generous 143mm knurled handles ensure comfort and prevent wrist strain. - • **Convertible Powerhouse:** Easily switch from dumbbells to a barbell with the sturdy chromed steel connector for versatile training. - • **Durability Meets Safety:** Premium cast iron plates free from phthalates and lead, finished with a tough hammertone coating for long-lasting use. - • **Ultimate Weight Flexibility:** Adjust from 15kg to 30kg seamlessly for every strength level. ## Overview The PROIRON Cast Iron Adjustable Dumbbell Set offers a professional-grade, versatile strength training solution with weights adjustable from 15kg to 30kg. Featuring ergonomic 143mm knurled metal handles, iron spinlocks, and anti-loose O-rings, this set ensures secure, comfortable workouts. Its convertible design allows quick transformation into a barbell, expanding exercise options. Crafted from premium cast iron with a durable hammertone finish and free from harmful chemicals, it’s built for longevity and safety—trusted by fitness enthusiasts worldwide. ## Description Product description PROIRON 20kg Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell for Bodybuilding Fitness Home Gym PROIRON has been a global fitness equipment brand since 1997. We have core modern factory in the world's important steel industry base. In past 23 years of development, we have been focusing on offering professional weightlifting equipment. PROIRON export to the United States, Germany, the United Kingdom, and France. Major buyers come from Fortune 500 companies. We have own manufacturing bases, rigid quality control team for strict standard Focus on every production details Molded of molten iron Select superior iron resources Hand finishing Carefully polished, good quality at your fingertips Hammertone finish Stainless and durable Cast Iron Adjustable Dumbbell expert One set for life use Why is the cast iron dumbbell better? Cast Iron VS Plastic filled Cement Cast iron Dumbbell, much durable Dumbbells filled with cement, easy to break and leak Solid steel handle, Prevent cracking Hollow handle, easy to break Steel spinlock, fasten and strong Plastic nut, Deformation and damage Compact and efficient. Cast iron Dumbbell, efficient training Dumbbells filled with cement, large and bulky, less easy to use Characteristic Multiple weights, freely adjustable Buying just one set is like buying many different weight dumbbells for progressive training Longer and stronger connector The chromed steel connector can convert dumbbells into a barbell, for workout different muscles Anti-loose O-rings Four unique anti-loose O-rings help you with safe workout Iron spin lock Unlike the plastic lock, our iron spin lock can lock the weight plate firmly without deformation or damage Versatile and Practical Our adjustable dumbbell set with connector can help you alternate quickly and easily between dumbbell and barbell. This is great for strength training and enable you to expand your workout for peak performance. Improves Total Body Fitness Practicing with PROIRON Adjustable Dumbbells, you will see significant improvements with your cardiovascular health your muscular strength your muscular endurance Unleash Your Full Potential Increase muscle mass Encourage cardiovascular health Target specific muscles, pain free Offer Inexpensive & Effective exercises What you can get from package You can start from beginner to the next level easily by choosing adjustable cast iron dumbbell. Sold in sets Set of weights(0.5kg*4, 1.25kg*4, 2.5kg*4), Lock*4, handle*2, Dumbbell Connector*1 Review: Quality - GYM QUALITY Review: good - good ## Features - The dumbbell set includes two handles, four 0.5kg plates, eight 1.25kg plates, 4 collars. - Strictly selected materials, free of phthalate and lead. Unique rubber O-ring anti-loose design. - Ergonomic designed knurled handle grip makes your hands more comfortable. - 143mm wide hand grip part give more room for your hand to grip, making it easier to lift without bumping your wrists for doing certain exercises. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CC2HDFCP | | Best Sellers Rank | #122 in Sporting Goods ( See Top 100 in Sporting Goods ) #8 in Exercise & Fitness Dumbbells | | Brand | PROIRON | | Brand Name | PROIRON | | Color | #B - 15KG DUMBBELL SET | | Colour | #B - 15KG DUMBBELL SET | | Country of Origin | China | | Customer Reviews | 4.5 out of 5 stars 18,743 Reviews | | Grip Size | 143mm | | Handle Diameter | 143 millimeters | | Handle Material | Metal | | Item Dimensions L x W | 36L x 17W centimeters | | Item Weight | 15.45 Kilograms | | Item weight | 15.45 Kilograms | | Manufacturer | Shanxi Regent Works Inc. | | Material | Iron | | Number of Items | 18 | | Number of Pieces | 18 | | Other Special Features of the Product | Adjustable Weight, Non-Slip | | Product dimensions | 36L x 17W centimeters | | Set Name | DUMBBELL SET | | Special features | Adjustable Weight , Non-Slip | | Style | Adjustable | | Target Use Body Part | Legs | | Unit Count | 1 Set | ## Product Details - **Brand:** PROIRON - **Colour:** #C - 20KG DUMBBELL SET - **Item weight:** 20 Kilograms - **Material:** Cast Iron - **Special features:** Adjustable Weight ## Images ![PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG - Image 1](https://m.media-amazon.com/images/I/91lpBJj1kGL.jpg) ![PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG - Image 2](https://m.media-amazon.com/images/I/81I3FKzVRIL.jpg) ![PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG - Image 3](https://m.media-amazon.com/images/I/91Z2DKrMhfL.jpg) ![PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG - Image 4](https://m.media-amazon.com/images/I/91q2Se+MmdL.jpg) ![PROIRON Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Perfect for Bodybuilding Fitness Weight Lifting Training Home Gym 15KG 20KG 30KG - Image 5](https://m.media-amazon.com/images/I/81CIid72p5L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality *by B***Y on 10 April 2026* GYM QUALITY ### ⭐⭐⭐⭐⭐ good *by A***R on 22 March 2026* good ### ⭐⭐⭐⭐ Good *by A***R on 19 April 2026* Good quality 👌 ## Frequently Bought Together - PROIRON 44Lbs Cast Iron Adjustable Dumbbell Set Hand Weight with Solid Dumbbell Handles Changed into Barbell Handily Great for Bodybuilding Fitness Weight Lifting Training Home Gym - ProsourceFit Puzzle Exercise Mat ½ in, EVA Interlocking Foam Floor Tiles for Home Gym, Mat for Home Workout Equipment, Floor Padding for Kids, Black, 24 in x 24 in x ½ in, 144 Sq Ft - 36 Tiles - CAP Barbell 2-Inch Olympic Grip Weight Plate | Multiple Options --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/331427341-proiron-cast-iron-adjustable-dumbbell-set-hand-weight-with-solid](https://www.desertcart.co.uk/products/331427341-proiron-cast-iron-adjustable-dumbbell-set-hand-weight-with-solid) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-01*