GPO steerer tube nut M26x1 open stem chrome
Drive: External hexagon · Manufacturer: GPO · Material: Steel · Surface: chrome-plated · Thread type: MF26x1 (fine pitch thread) · Nut type: Flange nut · Ø outside: 36.5 mm · Ø inside: 22.1 mm · Height: 14 mm · Thread depth: 11.5 mm · Width across flats SW: 30 mm