Bicycle Spare Tire Inner Tube – TPU Construction with Presta Valve Key Features: • Easy Installation: Designed to fit securely inside your bicycle tires, making setup fast and straightforward for both beginners and experienced cyclists. No special tools or complex steps required. • Versatile Compatibility: Fits most gravel bikes and delivers reliable protection against common hazards such as nails, thorns, glass fragments, and small debris. Ideal for riders who frequently transition between urban streets, rural paths, and rugged trails. • Lightweight Performance: Manufactured from quality TPU material to add minimal weight while maintaining strength and durability. Ensures your gravel bike retains its speed, agility, and handling performance. • Enhanced Safety: Equipped with a Presta valve that glows in lowlight conditions, improving visibility during early morning or nighttime rides for added rider safety. Specifications: • Material: Thermoplastic Polyurethane (TPU) • Valve Type: Presta valve with lowlight glow feature • Compatibility: Most gravel bike models • Function: Tire protection and replacement inner tube Practical Use Scenarios: 1. Urban commuting – Protects your tires from sharp glass or metal debris often found on city streets, helping you avoid punctures during daily rides. 2. Offroad gravel adventures – Shields against rocks, thorns, and rugged terrain obstacles without compromising bike performance. 3. Longdistance touring – Offers dependable durability and reduced weight, allowing you to carry spare tubes without adding unnecessary load. This TPU bicycle inner tube combines ease of installation with dependable puncture protection, making it a practical choice for cyclists who seek performance, reliability, and safety across varied riding conditions.