Complex sentence: Cycle World' magazine February (?) 1971 Only 100 air-cooled Norton Classics were produced, and the later Norton Commander had liquid-cooling, but with the same air-cooling of the rotors as the Classic.
Split into simpler sentences: Cycle World magazine February 1971 Only 100 air-cooled Norton Classics were produced. The later Norton Commander had liquid-cooling, but with the same air-cooling of the rotors as the Classic.