A hub and a wheel equipped with such a hub for bicycles, wherein the hub includes a fixed hub axle and a hub body rotatably mounted relative to fixed hub axle through two bearings. The hub body includes a hub sleeve and two separate hub flanges positioned on the hub sleeve at which spokes are disposed to connect the hub body with a rim. The hub flanges are fastened to the hub sleeve by connecting members positioned substantially perpendicular to the hub axle.