This is a magazine that covers the entire spectrum of motorcycling. You can read articles about sport bikes, standards, cruisers, dirt bikes and even scooters. Cycle World offers really great Op-Ed pieces too, and that's what really sells this magazine.
One word of warning, if I was especially interested in only one kind of bike, or one aspect of motorcycling, I might prefer a specialty magazine. I'd still read Cycle World, however, just because it's nice to have a quality magazine about a sport I love that's a lot more than just pretty pictures.