Alloy wheels are divided into aluminum alloy wheels, magnesium alloy wheels and carbon fiber composite wheels.
Magnesium alloy is currently the lightest structural material used, with good mechanical properties and other characteristics, and has been widely used in the fields of vehicles and electronics.
Carbon fiber composite wheel hub is a new material wheel hub that has been launched soon, and it is still relatively rare in the market. But BMW has tried to install it on the I8.