Certainly, because there is a risk of theft. We have received inquiries from individuals who unfortunately had their SeaSuckers stolen.It's worth noting that having a rack on your vehicle without a bike can negatively impact your fuel efficiency, potentially by as much as 5 miles per gallon.Removing and reinstalling the SeaSucker is a straightforward process, so it's advisable to take it off when not in use.Additionally, giving your vacuum pads some time to revert to their original shape is a good practice to maintain their condition.