Answer:
Lever, pulley and wheel and axle are the types of machine it's grouped to
Explanation:
The wheel and axle is a simple machine that works by reducing friction in trying to move a load. This is seen in the Tyre of the bicycle
Pulley is a simple machine that creates a mechanical advantage and supports the changing of direction for a rope or cable. This is seen in the chain of the bicycle
Levers attached to the bike's pedals are pushed down to direct force into the pulley system.