One micron, or micrometre, is one millionth of a metre. A human hair is 100 microns wide.
very small indeed.
...but no need to bring hair into it.
@Balki started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
very small indeed.
...but no need to bring hair into it.