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...
If you find yourself standing to accelerate, on level ground, it is a sign that your gear is too high or that your saddle is too low.. Pedaling that hard is very stressful to the joints, and to the bicycle, and usually involves a level of effort that cannot be sustained aerobically.