Simple machines are things that change the direction or magnitude of a force. A bicycle saddle doesn't do that, so no.
A bicycle is an example of a complex machine.
A compound machineA bicycle consists of several simple machines, which makes it a complex machine.
bicycle
A bicycle. the rest are simple machines.
A shifter is a lever, a lever is a simple machine
The bicycle is not a simple machine, there are too many interacting moving parts.
Because it consists of several simple machines, which makes it a complex machine.
john cena
A lever.
pulley
A fulcrum