The bike standover height refers to the entire length spanning the frame's top tube down to the ground, measured just in front of the saddle where your crotch area would be located. It's simply the distance between the ground and the very height of the top tube.
Renting a bike can be a great way to add in a fun activity when you're on a trip. In addition, it can also be a convenient alternative to driving, replacing the need for a car. A hot new trend on the scene is the electric bike, or ebike for short.