2.5.0.0 GEARBOX XTOO R / S / RS. Used gearbox, original for XTOO R, S, RS (engine Lombardini Focs). The gearbox of your small car is used to establish a link between the speed of the engine and the wheels, it is considered as a mechanical element. The sequential gearbox acts in the same way as a manual gearbox on the engine torque.The gearbox transforms the power created by the engine into a driving force, which can then move your cart forward.The gearbox is often an expensive part to change, which is why at Motorbike Parts we cut out the middleman and keep our prices low to bring you quality parts at an affordable price.2.5.0.0