- Extremely 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 - Weight: 41g (700x23-28c) to 116g (29x2.4-3.0")