Description and materials - First internal headset suitable for all 1 1/8" internal head tubes. - Aluminium cups, available in shiny anodised black colour. - High quality sealed cartridge bearings, which ensure a smooth running. - Suitable for Monty 221 Ti, 221 Kamel, 231 Ti, 231 Kamel, Ozonys and all Atomz frames... - Supplied with top cap, star nut and bolt, ready to fit. Dimensions - Ø 1 1/8'' - Internal headset Finishes - Shiny anodised black - White laser etched First logo Weight - 82g (+ bolt, top cap and star nut at 25g) Additional information If you have any doubts, please contact us.