sometimes iron, titanium, aluminum, steel, carbonfiber, leather, foam, rubber!!
Like an auto, steel is the most common material of tractors. However many parts are made of plastics, fabrics and rubber for those huge tireslike an auto, steel is the most common material of tractors. However many parts are made of plastics, rubber and fabrics.
An electric starter.
There are two.
LOW CARBON steel material
That depends on the material the rivet is made of. There are aluminum rivets, various grades of iron and steel rivets, and titanium rivets used in aircraft construction.
metal and rubber
probably in taiwan where most bikes are made
norco bikes made in Canada
The Ideal Bikes Factory is made in Patra,Greece
Shozo Kawasaki made dirt bikes.
They are made of metal.
Made in China.
BMX started in the USA, so the first bikes were built there.
You can scroll the internet for American made recumbent bikes. One such company is Linear.
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.
They are made in Japan.
Cervelo Bikes are made in Canada