Originally Posted by
tyrion
I'd use the old handlebar tape for a temporary tape job until you're sure you have the controls and cables in the right place, then put new tape on.
For what it's worth, there's non adhesive bar tape, too. One option is silicone which basically sticks to itself, but peels off without damage, and can be reused easily. It's pricey and I don't think most people prefer the feel when riding. But still good to know about options.