Bike Tank Float Unit is a highly sensitive sensory component which is equipped with a number of elements such as microprocessor, levelling float, signal wiring and a plastic clip with metal clips. The floating member which is placed inside the tank is made up of foam and is connected to a thin metallic rod whose anther end is connected to a resistor. Bike Tank Float Unit is provided with a microprocessor chip which prevents the abrupt deflection of the indicating needle that results in steady movement of the indicator as a result of the average of last measured values.