M mattsccm Senior Retro Guru Jul 27, 2012 #1 Does any one know anything about them? Columbus tubing? But what ?
M monty dog Senior Retro Guru Jul 28, 2012 #2 I seem to remember they were made from Zonal alloy tubing which is a 7005 alloy and not quite as light as a 6000-series heat-treated alloy like Airplane. The upside is they're pretty robust.
I seem to remember they were made from Zonal alloy tubing which is a 7005 alloy and not quite as light as a 6000-series heat-treated alloy like Airplane. The upside is they're pretty robust.
