Schwalbe Aerothan TPU Tube 29x2.4-3.0" PV 40mm Width-25mm so if not listed they

so if not listed they are obsolete)

K30 Violet

which places the bearing outside of the frame with these headsets

Replaces CH3X

Schwalbe Aerothan TPU Tube 29x2.4-3.0" PV 40mm Width-25mm so if not listed theyExtremely light thermoplastic polyurethane (TPU) tube, with maximum puncture protection and designed for minimum rolling resistance Just as resistant to snake bites as it is to sidewall damage thanks to the extremely robust material Has removable valve core suitable for extensions Puncture sealing liquid does not achieve any sealing effect with TPU, usage not recommended Individually boxed for store display with easy identification size valve graphics