Experience a massively versatile workout with the Cortex 37.5kg Standard Cast Iron Dumbbell Set. Dumbbells with adjustable weight handles offer a huge variety of workouts. Use smaller weights to target specific muscles and stack on a heavy load to find huge compound workouts. Adding up to 40kg including the weight of the dumbbell handles, you'll be capable of some big lifts, but with plenty of specificity to find the perfect resistance.
Experience a massively versatile workout with the Cortex 37.5kg Standard Cast Iron Dumbbell Set. Dumbbells with adjustable weight handles offer a huge variety of workouts. Use smaller weights to target specific muscles and stack on a heavy load to find huge compound workouts. Adding up to 40kg including the weight of the dumbbell handles, you'll be capable of some big lifts, but with plenty of specificity to find the perfect resistance.
in 18 offers
Cortex - Dumbbell Standard Weight Set - 25mm - 40kg
Experience a massively versatile workout with the Cortex 37.5kg Standard Cast Iron Dumbbell Set. Dumbbells with adjustable weight handles offer a huge variety of workouts. Use smaller weights to target specific muscles and stack on a heavy load to find huge compound workouts. Adding up to 40kg including the weight of the dumbbell handles, you'll be capable of some big lifts, but with plenty of specificity to find the perfect resistance.
Experience a massively versatile workout with the Cortex 37.5kg Standard Cast Iron Dumbbell Set. Dumbbells with adjustable weight handles offer a huge variety of workouts. Use smaller weights to target specific muscles and stack on a heavy load to find huge compound workouts. Adding up to 40kg including the weight of the dumbbell handles, you'll be capable of some big lifts, but with plenty of specificity to find the perfect resistance.
The lowest price for Cortex - Dumbbell Standard Weight Set - 25mm - 40kg right now is $149.00 at Bunnings Warehouse, compared across 17 retailers.
The all-time low was $105.99 on 8 Dec 2025 — today's price is 41% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 22 July 2026.
Last updated at 22/07/2026 19:18:02
Cortex 40kg Curl Bar Weight Set Weight Lifting Weight Plate Bars Home Gym Set
Free delivery
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CORTEX 40kg Dumbbell Standard Weight Set 25mm
Delivery $98.26
Lifespan CORTEX 40kg Dumbbell 25mm Standard Weight Set
Delivery $158.79
Lifespan CORTEX 40kg Dumbbell 25mm Standard Weight Set
Delivery $158.79
CORTEX 37.5kg Dumbbell 27mm Standard Weight Set
Delivery $56.30
Cortex Dumbbell Standard Weight Set - 40kg
Free delivery
37.5kg Cast Iron Dumbbell Set
Lifespan CORTEX 40kg Dumbbell 25mm Standard Weight Set | Go Easy
Delivery between 28 July – 5 Aug $95.26
CORTEX 40kg Dumbbell Standard Weight Set 25mm exclusive at LifeStylz
Cortex Dumbbell Standard Weight Set 25mm
Delivery $9.99
| Size(s) | Diameter inner ring: 25mm |
| Production Country | China |
| Box Contents | 1 x dumbbell set |
| Assembly | Assembly required |
| Warranty Information | 12 Months Parts replacement warranty |
Cortex 40kg Curl Bar Weight Set Weight Lifting Weight Plate Bars Home Gym Set
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
CORTEX 40kg Dumbbell Standard Weight Set 25mm
Delivery $98.26
Lifespan CORTEX 40kg Dumbbell 25mm Standard Weight Set
Delivery $158.79
Lifespan CORTEX 40kg Dumbbell 25mm Standard Weight Set
Delivery $158.79
CORTEX 37.5kg Dumbbell 27mm Standard Weight Set
Delivery $56.30
| Size(s) | Diameter inner ring: 25mm |
| Production Country | China |
| Box Contents | 1 x dumbbell set |
| Assembly | Assembly required |
| Warranty Information | 12 Months Parts replacement warranty |
