Abstract: The invention relates to a street-cleansing brush for lateral sweeping, in which the fibers are disposed under a support plate mounted to rotate about an axis perpendicular to said plate, wherein it is constituted by a plurality of supports in the form of sectors of ring in each of which said fibers are implanted and by a plate of which the lower face is provided with means for removably coupling and retaining each of said sectors. The invention is particularly applicable to street-cleansing equipment.