Optimized Performance: Experience the ultimate in cycling efficiency with the Ridenow 2023 bike inner tubes. Designed for 700C road bicycles, these tubes are crafted from high-quality TPU, ensuring lightweight and robust performance. Advanced Material: Made from premium aluminum valves, these inner tubes provide a secure and air-tight fit, reducing the risk of leaks and flats. The super light design enhances your bike's speed and responsiveness. Versatile Valve Lengths: Available in two valve lengths, 65mm and 85mm, to accommodate different rim depths, ensuring a perfect fit for a wide range of road bikes. Durable Construction: Built to last, these tubes withstand the rigors of road cycling, offering reliability and peace of mind on both training rides and competitive races. Colour: As Shown Material: TPU Specifications: A: Road 700x18-28C 24g 85mm French mouth Package Contents: 1 set of bicycle inner tire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.