It is an equipment used for testing a complete vehicle assembly. In this system the vehicle is run on a set of rollers so that it creates a similar effect as a vehicle is rolling on road. The vehicle can be tested at fixed position. The chassis dynamometer is a very useful equipment for testing and tuning a vehicle to optimize perform. A two-wheeler chassis dynamometer is a piece of equipment that measures the force and speed of a two-wheeler in a controlled environment. 

A chassis dynamometer has rollers for the wheels of a vehicle. It can measure output such as power and torque at the wheels. It also reproduces the load and inertia of the vehicle when driven on the road.