【Ultra light】: The bicycle inner tube adopts a special TPU material, which greatly improves the ride experience compared with the traditional rubber inner tube. The weight of the bicycle inner tube is only 35 grams, which is about 100 grams less than the traditional butyl rubber inner tube. It ensures that your ride remains free from any additional weight, all while delivering outstanding performance. Plus, it allows you to stash multiple spare tubes in your cycling bag effortlessly. 【Versatile Compatibility】: Designed for both disc and rim brake systems, these bicycle inner tubes are suitable for a wide range of road vehicles. They excel in demanding racing and riding conditions. 【Fits Multiple Tire Sizes】: This 700C road tube is compatible with many tire sizes: ×18-32mm. 【Good Airtightness】: The bike inner tube is equipped with a high airtightness 45mm/65mm/85mm presta valve. Providing safety for every customer's riding trip. 【High-Strength】: The bicycle inner tube adopts a special TPU material, which also greatly improves the durability compared with the traditional rubber inner tube. In addition, the TPU material is oil and water resistant, and has excellent load-carrying capacity and impact resistance. Suitable for road or mountain bikes, long time riding on uneven roads is not easy to burst. Size 65mm Valve Bike Type Mountain Bike, Road Bike Brand Name WINFAVO Item Width 32 Millimeters Valve Type Presta Item Weight 0.19 Kilograms Manufacturer WINFAVO Valve Length 65 Millimeters Material Type TPU Item Type Name Bike Tube Included Components 4 pack tubes, 4 tire levers & Patch Repair Kit Warranty Description lifetime warranty Compatible Tire Width Maximum 32 Millimeters Compatible Tire Width Minimum 18 Millimeters