You need an inner tube that offers both durability and optimal performance for your cycling activities. The Schwalbe SV20 Extra Light 700c Inner Tube utilises a high butyl content and top material purity, which allows it to deliver exceptional puncture resistance and consistent air retention for smoother, more reliable rides. At only 65g it also lighter than most other standard inner tubes.Learn more about the specific features that make this inner tube a must-have for your bicycle:High Butyl Content: This inner tube features a substantial butyl rubber composition, known for its superior air-tightness and elasticity. The technology provides significant puncture protection and minimises air loss, ensuring that your rides are smooth and uninterrupted by frequent stops to pump air.Uniform Wall Thickness: The precise and uniform thickness of the tube enhances its durability and resistance to punctures. This robust construction means fewer interruptions due to flats and a smoother, more stable ride overall.Optimal Riding Characteristics: Designed to fit tyres sized 700c x 18-25c, with valve options including 40mm, 60mm, and 80mm, this tube adapts to your specific setup and cycling conditions. Its low weight and high dimensional stability contribute to reduced rolling resistance, enhancing your bike's efficiency and your overall cycling experience.The Schwalbe SV20 Extra Light 700c Inner Tube provides a reliable foundation for your cycling adventures. It ensures a durable, air-tight, and comfortable ride, making it an excellent addition to your cycling equipment.