Complex sentence: While the following components usually apply to most road vehicles, there are exceptions, in which the controls may be located and operated differently from road vehicles (such as motorcycles, whose throttle is controlled by a hand lever and the gear shift by a pedal).
Split into simpler sentences: While the following components usually apply to most road vehicles, there are some exceptions. The controls may be located and operated differently from road vehicles (such as motorcycles, whose throttle is controlled by a hand lever and the gear shift by a pedal).