Complex sentence: The Ariel Red Hunter was the name used for a range of British motorcycles designed and built by Ariel's chief designer Val Page in 1932 around an overhead valve single cylinder engine he developed six years earlier.
Split into simpler sentences: The Ariel Red Hunter was the name used for a range of British motorcycles built by Ariel Motorcycles. They were designed by the firm's chief designer Val Page in 1932 around an overhead valve single cylinder engine he developed six years earlier.