Introduction Suspensions play a vital role in improving ride quality and ride comfort. It connects the vehicle’s body to the tires and transfers all the forces between the vehicle’s body and the road. The suspension system of a vehicle refers to the group of mechanical components that connect the wheels to the frame or body which include a system of springs, shock absorbers and linkages. Suspensions serve a dual purpose in a motorcycle i.e. contributing to the bike’s handling and braking. It also protects the vehicle and the luggage inside it from damage and wear. Suspension systems can be characterized into 3 groups: passive, semi-active and active. The passive suspension system limits the motion of the body and wheel by limiting their relative