A surface cleaning apparatus, comprising: a base comprising an agitator chamber and a suction nozzle opening in fluid communication with the agitator chamber; an upright body pivotally mounted to the base and comprising a main support section supporting a cyclonic collection system comprising a cyclone separator; a suction source in fluid communication with the cyclonic collection system; and a brushroll positioned within the agitator chamber for rotational movement about a central rotational axis, the brushroll comprising: a brush dowel configured to be mounted for rotation about the central rotational axis, which extends longitudinally through the brush dowel, and comprising: opposing bristle supports defining first mounting surfaces and opposing sweeper supports defining second mounting surfaces, and a shroud surface extending between the opposing bristle supports and the opposing sweeper supports, and a plurality of bristle tufts fastened to each of the opposing bristle supports and projecting from one of the first mounting surfaces, and a projection fastened to each of the opposing sweeper supports and projecting from one of the second mounting surfaces, characterized in that the opposing bristle supports each extend in a single chevron shape along the brush dowel relative to the central rotational axis and multiple bristle tufts are fastened to each bristle support and arranged in a single chevron-shaped row on the first mounting surfaces, and the opposing sweeper supports each extend in a single chevron shape along the brush dowel relative to the central rotational axis and the projection fastened to each sweeper support are each provided in a single chevron shape on the second mounting surfaces a base comprising an agitator chamber and a suction nozzle opening in fluid communication with the agitator chamber; an upright body pivotally mounted to the base and comprising a main support section supporting a cyclonic collection system comprising a cyclone separator; a suction source in fluid communication with the cyclonic collection system; and a brushroll positioned within the agitator chamber for rotational movement about a central rotational axis, the brushroll comprising: a brush dowel configured to be mounted for rotation about the central rotational axis, which extends longitudinally through the brush dowel, and comprising: opposing bristle supports defining first mounting surfaces and opposing sweeper supports defining second mounting surfaces, and a shroud surface extending between the opposing bristle supports and the opposing sweeper supports, and a plurality of bristle tufts fastened to each of the opposing bristle supports and projecting from one of the first mounting surfaces, and a projection fastened to each of the opposing sweeper supports and projecting from one of the second mounting surfaces, characterized in that the opposing bristle supports each extend in a single chevron shape along the brush dowel relative to the central rotational axis and multiple bristle tufts are fastened to each bristle support and arranged in a single chevron-shaped row on the first mounting surfaces, and the opposing sweeper supports each extend in a single chevron shape along the brush dowel relative to the central rotational axis and the projection fastened to each sweeper support are each provided in a single chevron shape on the second mounting surfaces a brush dowel configured to be mounted for rotation about the central rotational axis, which extends longitudinally through the brush dowel, and comprising: opposing bristle supports defining first mounting surfaces and opposing sweeper supports defining second mounting surfaces, and a shroud surface extending between the opposing bristle supports and the opposing sweeper supports, and opposing bristle supports defining first mounting surfaces and opposing sweeper supports defining second mounting surfaces, and a shroud surface extending between the opposing bristle supports and the opposing sweeper supports, and a plurality of bristle tufts fastened to each of the opposing bristle supports and projecting from one of the first mounting surfaces, and a projection fastened to each of the opposing sweeper supports and projecting from one of the second mounting surfaces, characterized in that the opposing bristle supports each extend in a single chevron shape along the brush dowel relative to the central rotational axis and multiple bristle tufts are fastened to each bristle support and arranged in a single chevron-shaped row on the first mounting surfaces, and the opposing sweeper supports each extend in a single chevron shape along the brush dowel relative to the central rotational axis and the projection fastened to each sweeper support are each provided in a single chevron shape on the second mounting surfaces