Upper bowden tube (Sigma) 8,60€ In stock Upper bowden tube (Sigma) quantity Add to cart Only compatible with BCN3D Sigma. The teflon tube (bowden) connects the extruder of the BCN3D Sigma with the hotend. It measures 865mm in length. Related products Layer Fan 9,95€ Buy Endstop switch 4,95€ Select This product has multiple variants. The options may be chosen on the product page Extruder Motor L 199,95€ Buy Solid-state Relay 19,95€ Buy