Medical Definition of GERMICIDE. : an agent that destroys germs.
The standover height of a bike is the height of the frame when you're standing over it, and the distance between the bike's top tube and your goolies is the important factor there! Good luck, and the link below is to a webpage about Standover Height... Source(s): http://www.sheldonbrown.com/gloss_st-z.h...
Use the sizing chart below to find the right sized mountain bike for you. If you know your height and inseam measurements, you should be able to determine what size frame will be most comfortable for you. Of the two measurements, height and inseam, inseam is more important. Mountain bikes are generally measured in frame size (inches), which is the distance from the center of the crank to the top of the frame at the seat tube. Mountain Bike Sizing Guide. When buying a bike, how well it fits you is the most important factor in how much you will enjoy it and how likely you will be to continue riding it regularly.