Feature:1. Made of high-quality TPU material, these bicycle tubes are not only lightweight (only 25g) but also highly sturdy, ensuring long-lasting performance.2. With good sealing performance, shock absorption, and electrical insulation, these tubes provide a more responsive acceleration, improved handling, and enhanced climbing speed.3. Resistant to high and low temperatures, these tubes maintain stable tire pressure, ensuring your safety even when going downhill.4. Designed for road bikes with 700C 18-28C tires, these tubes are compatible with both rim brake and disc brake wheelsets, making installation quick and hassle-free.5. Each package includes one high-quality TPU road inner tube, available in various valve lengths (FV 45mm, 65mm, 85mm) to fit your specific needs.Specification:Made of TPU material, this bicycle tube is lightweight yet strong and provides a durable and functional solution for road bike tyres. Weighing only 25g, it helps reduce mass and improves handling and climbing speed.Features:Made of high-quality TPU material, these bicycle tubes are not only lightweight (only 25g) but also highly sturdy, ensuring long-lasting performance.With good sealing performance, shock absorption, and electrical insulation, these tubes provide a more responsive acceleration, improved handling, and enhanced climbing speed.Resistant to high and low temperatures, these tubes maintain stable tire pressure, ensuring your safety even when going downhill.Designed for road bikes with 700C 18-28C tires, these tubes are compatible with both rim brake and disc brake wheelsets, making installation quick and hassle-free.Each package includes one high-quality TPU road inner tube, available in various valve lengths (FV 45mm, 65mm, 85mm) to fit your specific needs.Specifications:Material: TPU, alloyValve: FV 45mm, 65mm, 85mm (optional)Apply to: Road Bike 700 X 18 / 23 / 25 / 28CWeight: 25g/ 0.9ozPackage List:1 * bicycle tubePackage List:1 * bicycle tube