Scrol down to the yield and ultamiate strength of copper vs Aluminum.
Aluminim 400 Mpa
Copper 70 Mpa
http://en.wikipedia.org/wiki/Tensile_strength
@TheBrick(Tommy) 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.
Scrol down to the yield and ultamiate strength of copper vs Aluminum.
Aluminim 400 Mpa
Copper 70 Mpa
http://en.wikipedia.org/wiki/Tensile_strength