Cortex Revolock 20kg Adjustable Dumbbells (Set of 2)



Maintain a strong and lean physique with ease by getting the Cortex Revolock 20kg Adjustable Dumbbells (Set of 2) from Cortex.

  • Boasts an easy-to-adjust mechanism, letting you save precious energy and time
  • Compact and sleek, this fitness equipment is suitable even for small spaces
  • Made from high quality steel to stand the test of time
  • Quickly select your preferred weight via its ingenious RevoLock System
  • Ergonomically designed with a knurled handle for superior grip
  • Adjustable from 2kg to 20kg to suit your varied needs
  • Offers six weight selections (2kg, 4kg, 8kg, 12kg, 16kg, 20kg) for your convenience


Product Range
Production Country
Material Details
High quality steel
Box Contents
  • 2 x adjustable dumbbell
  • (Optional: 1 x dumbbell stand)
Assembly required
Warranty Information
1 year parts replacement warranty

delivery information

This item is shipped via Australia Post or a similar carrier. Service included:

  • Dispatch notification
  • Online tracking
  • Authority to leave (if selected)
  • Delivery to ground floor entrance

All Zanui orders are delivered during business hours. If you order multiple items from our website, you may receive multiple deliveries shipped by multiple carriers since items may be sent from different warehouse locations.

For more information on our delivery process, please check our Help Centre.

Christmas returns

All orders placed between the 1st November and the 25th December in a calendar year can be returned up until the 31st January of the following calendar year.

Change of mind

If you change your mind about a purchase, you can return the item and opt for a store credit or a full refund.
We require the item to be unused and in its original packaging. Any items that are not returned to us in the original packaging and/or in original condition will incur an additional handling fee.

Small items can be returned for free through ParcelPoint Easy Returns or the post office. You may arrange a pick up for your return or drop it off at your local store. Choose among hundreds stores such as pharmacies, convenience stores and newsagents – open weekends and after hours for your convenience. Please go to our FAQs page to check size and weight restrictions.

The few exceptions that are not eligible for a change of mind return include:

  • mattresses, bed linen and pillows, for health and hygiene reasons
  • items presenting a *LAST CALL* badge.


Damaged or Faulty

In the unlikely event that your item arrives damaged or faulty, please notify Zanui as soon as possible for a replacement (if available), store credit or a full refund. Please submit a damage / faulty return request to our Customer Care Team to assist you with your return.

about the brand

Cortex offers a broad range of fitness equipment and accessories, from kettlebells to medicine balls, to keep you fit and healthy.