TPU material for durability Made of TPU material, this ultra light 700C gravel bike tube offers exceptional strength and durability. It has a longer service life compared to conventional hoses. Superior performance With excellent sealing performance, aging resistance, shock absorption and electrical insulation, this tube provides optimal functionality. It guarantees a smooth and safe riding experience on different terrain. Ultra-lightweight design With an ultra-light design, this tube is lightweight yet reliable. The road type weighs only 42 g, while the gravel type weighs 65 g. It helps reduce the weight of your wheels and tires and improves acceleration and handling, which enhances overall cycling performance. Durable stability Designed to withstand high and low temperatures, this tube maintains stable tire pressure for safe downhill rides. Its durable and stable performance ensures your safety even in demanding driving conditions. Wide compatibility The 700C road tube is suitable for 700 x 18 / 23 / 25 / 28 / 30 / 32C road bikes as well as 700C gravel bikes with tire sizes from 35C to 40C. It is compatible with both brake and disc brake wheelsets and offers versatility for various cycling setups. Use scenarios - Daily commuting on mixed roads: benefit from weight savings and reliable tire pressure stability for a smooth, efficient ride. - Gravel and mixed-surface rides: improved handling and resilience on rough sections thanks to its durable TPU construction and low weight. - Long rides and trips: serves as a dependable spare tube compatible with either brake type, suitable for road and gravel setups.