Compatible Tyre sizes: Corki Cycles 29 inch bike tube fits 29“ tires with a width of 29x1.95, 29x2.0, 29x2.1, 29x2.125 inches, Featuring a Presta (French) valve stem 48mm for high-pressure applications ranging from 80 to 120 psi. Durable Material: Corki heavy-duty 29 bike tube is made from eco-friendly and sustainable butyl rubber. They are not only reducing its environmental impact but also enhancing its durability and puncture resistance. 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬: This 29 in bike inner tube is optimized for racing and features a low rolling resistance for maximum performance. Applicable Bicycle Type: These 29” bicycle tubes are designed to fit most mountain bikes easily, ensuring a secure and snug fit for a smooth ride. They are also compatible with beach cruisers, gravel bikes, electric bikes, and hybrid bikes. 𝐄𝐚𝐬𝐲 𝐢𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: With a user-friendly design and free tools, these 29 mtb tubes can be installed quickly and easily, so you can get back to riding in no time. Experience a smoother and more comfortable ride with Corki's high-quality mountain bike inner tubes. Made from a durable rubber material, these inner tubes can withstand tough terrains and last for many rides to come. Designed to fit most mountain bikes with ease, they provide a secure and snug fit to ensure a smooth ride every time. Installation is quick and easy, thanks to their user-friendly design. Plus, their versatility makes them suitable for various types of mountain bikes, so you can enjoy optimal performance and reliability no matter what type of bike you ride. bank. Whether you're a seasoned cyclist or just starting out, our mountain bike inner tubes are an essential accessory for your biking adventures. Don't settle for less - choose our high-quality inner tubes and enjoy a smoother, more comfortable ride every time.