>>1999465> doesn't understand engineeringBicycle specific tubing (in standard size) is optimized for ultimate strength. The modulus of elasticity for steel remains the same for all steels, within a margin of few percent, regardless of treatment ans condition.
This means you will have an easy time optimizing for lightness by increasing yield strength and reducing wall thickness to maintain the same required strength. This will sacrifice stiffness if tubing diameter is kept the same.
Now the key point to take home is: This will allow a lighter frame take the same stress that a bicycle is put under while RIDING. It will make the frame very prone to failure under many atypical stresses, as encountered during handling, crashing, etc. This being advertised as a third world work horse implies that it is not going to be ridden, loaded with one rider and nothing else, on a good road. But instead encounter such atypical stresses.
t. mech eng
