- Ultraleichtes Design: Weighing only 35 g, this inner tube is specifically designed for road bikes, enhancing handling and climbing speed. - Superior Material: This inner tube offers exceptional sealing performance, resistance to aging, shock absorption, and electric insulation, ensuring a reliable ride. - Versatile Size Compatibility: Available in sizes 23C, 25C, 26C, 28C, 30C, and 32C, this tube provides a snug fit for a wide range of road bike tire sizes. - Reinforced Metal Valve: Featuring a reinforced metal valve, this tube is more durable, enhancing overall performance and longevity. For cyclists seeking enhanced speed and efficiency, this tube is ideal for competitive racing scenarios or long-distance rides where every gram counts. Its robust material construction ensures reliability during challenging conditions, making it suitable for both training sessions and race day. Whether you're tackling steep climbs or sprinting on flat terrain, this inner tube meets the demands of serious cyclists.