The 600 class is right where a lot of savvy sportbike riders land. Why? Six hundredsespecially inline fours like the CBR650Rjust strike a near magical balance between power, weight, maneuverability and the human scale. And when youre looking at a CBR650R, youre also looking at a bike with a wide performance envelope, able to hold its own in the canyons and still practical enough for leisurely weekend rides or daily commutes. But if theres one thing that really sets the CBR650R apart, its this bikes engine. Nothing revs like an inline four, and nothings as smooth either.