Read. Learn. http://strongframes.com/material_tech/metallurgy/?PHPSESSID=5454b2d278e3a3ba75f60a0e26957677
@hippy 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.
Read. Learn.
http://strongframes.com/material_tech/metallurgy/?PHPSESSID=5454b2d278e3a3ba75f60a0e26957677