Originally Posted by alcjphil

Yes, but if the brakes are hydraulic you have to be careful not to operate the brake lever with no disc rotor in place. You can prevent any problems by inserting a spacer into the place where the rotor fits through the calliper, these are used on bikes being shipped to bike shops in their boxes. When I worked in a shop, I had a drawer full of them, I only have 2 left. I use one each time I remove a wheel to transport my bike in my car