A method for manufacturing a cycle wheel rim having, in radial cross section, two lateral sidewalls and a bridge, the rim having an outer surface facing outward of the rim and defined by the bridge and by at least a portion of the sidewalls. The manufacturing method includes extruding a section; bending the section; assembling the ends of the hoop formed from the section by joining one to the another; drilling holes in the bridge for fastening the spokes; machining the entire outer surface in a radial plane and on at least a portion of the circumference of the rim.