When I change mine out I just get a pair quarts and typically have some remaining above, but I don't do a flush. I do the syringe/turkey baster approach to changing the fluid within the reservoir, transform the wheels then repeat until eventually it looks clean up Replacing the bearings https://pageupdirectory.com/listings13164001/the-smart-trick-of-sideburn-laser-hair-removal-in-rocklin-that-nobody-is-discussing