Front tube aluminum, without support tube for front derailleur.
Front tube aluminum anodized, without support tube for front derailleur, with light mount, tube diameter 45.0 mm, thread BSA 24x36 , tube length 400 mm.
NB: for shorter riders it may be necessary to shorten the tube.
If this front-tube is a replacement for an existing Nazca-bike from before 2017, you're advised to also buy the collar, art. nr. 11101.