This easy to install front wheel unit transforms your quinny moodd 3 wheeler into the 4 wheel pushchair of your dreams just remove the front swivel wheel from the pushchair by pushing both release buttons and pulling the front fork out of the tube on the quinny moodd frame insert the new moodd 4 front wheel unit into the tube until it clicks into place features transforms your quinny moodd into a 4 wheeler easy to install lockable swivel wheels dimensions l 35 5 x w 22 x h 24 5 cm weigh