Olympus 20kg Cement Dumbbell Set $29.99, Olympus 20kg Deluxe Dumbbell Set $58 + Shipping / Pickup @ Torpedo7

Don't know if this is part of their flash sale or just a random 60% off RRP discount. Seems decent for the price.

Best to do click & collect if you're thinking about buying these.

Deluxe dumbbell set

This 20kg Dumbbell Set gives you everything you need to begin performing free-weight resistance training to sculpt and tone your entire body. If you're ready to start training towards a strong, lean physique then this set is an absolute must.

• 4x 0.5KG Plates
• 4x 1.25KG Plates
• 4x 2.5KG Plates
• 2x Dumbbell Rods (15")
• 4x Spin-lock Collars

Cement dumbbell set

This cost effective 20kg dumbbell set offers you the chance to sculpt and tone your body from the comfort of your own home. If you’re new to fitness and looking for an entry level set, then look no further. Get ready to perform fun and effective full body workouts for a total cost similar to only a couple of weeks gym membership.

• 8x 1.25KG Plates
• 4x 2.5KG Plates
• 2x Dumbbell Rods (17")
• 4x Spin-lock Collars

Other items

• Olympus Spinlock Dumbbell Rod 16 - Silver $11.95
• Olympus Spinlock 4ft Standard Barbell - Silver $27
• Olympus 50kg Cast Iron Barbell Set $149
• Olympus Olympic Dumbbell Rod $35.10