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...
Mountain bike sizes, which usually range from 14 to 21 inches, are also based on seat tube height. But the distance from the center of the bikeâs top tube to the ground, or the stand-over height, is the most important measurement when sizing a mountain bike.ou need to know your bicycle inseam, which is different from clothing inseam, to help you determine your ideal bike size. Stand with your back against the wall on a hard flat surface. Spread your feet 6 to 8 inches apart and place the spine of a book between your legs so it touches your pubic bone.