1 1/8″inch Threaded Headset Black or Silver

1 1/8″inch Threaded Headset Black or Chrome

25.4mm/34mm/30mm
25.4mm head nut inner diameter for stem diameter,
34 mm inner diameter at frame head tube.
Locking tension head nut, spacer, upper cup,
upper bearing, upper cup, lower cup, lower bearing,
30mm crown race.
25.4mm stem quill diameter
34mm cup diameter frame inner diameter
30mm crown race diameter
26TPI, steel
Caged bearings