suitable for 20" wheels make: zoom escape 327 threaded steerer length:145mm(inc thread) thread length: 42mm 1" head tube material: steel v-brake compatible not disc brake compatible colour: red weight: 1.80kgs for a suitable headset, please see the 1" threaded headsets in our shopfor a suitable stem, please see the 1" quill(not ahead) for threaded forks stems in our shop please be advised this stock is perfectly functional/useable but in some cases it may be scratched/marked/soiled due to it being ex factory production stock and therefore in many cases unboxed.