Upgrade your road bike's performance with this comprehensive 4-pack of ultralight inner tubes. These versatile tubes are compatible with multiple tire sizes ranging from 700x18C to 700x45C, making them perfect for various road cycling applications. Each tube features a reliable 60mm Presta valve, ideal for high-pressure road bike tires. The included repair kit adds extra value, ensuring you're prepared for unexpected situations during your rides. The lightweight construction helps maintain optimal bike performance while the durable material stands up to regular use. These tubes are designed to provide a secure fit and consistent air retention for a smooth riding experience. Perfect for both casual riders and cycling enthusiasts who want dependable inner tubes for their road bikes. Keep a spare set in your garage or bike bag for peace of mind on longer rides.