metal and rubber
When purchasing old Giant bikes, consider the frame material, condition of components, size and fit, and any potential modifications or upgrades.
sometimes iron, titanium, aluminum, steel, carbonfiber, leather, foam, rubber!!
norco bikes made in Canada
probably in taiwan where most bikes are made
Shozo Kawasaki made dirt bikes.
The Ideal Bikes Factory is made in Patra,Greece
Wood
1860
wood
Made in China.
They are made of metal.
Most mountain bikes are made from Aluminum, some are made from carbon fiber and older bikes are made from steel. Quality, weight and strength vary hugely by manufacturer with most high end bikes claiming unique methods which either reduce weight, improve strength or both.