These mountain bike inner tubes are designed to fit 29-inch tires, offering a of flexibility and strength. Whether you're navigating rocky trails or smooth roads, these inner tubes provide the support and resilience needed for a comfortable ride. Their sturdy build ensures use, making them a valuable addition to your cycling accessories. Features -Color:Black -Material:Rubber,metal -Size:29.00X29.00X2.35cm/11.40X11.40X0.92in -Robust and reliable: made from sturdy materials, these inner tubes offer outstanding durability and puncture resistance for longterm use -sturdy stability: the inner tubes are engineered to provide stable support and excellent control, ideal for navigating tough terrains -Simple installation: designed to fit most 29 inch mountain bike wheels, these inner tubes ensure a quick and installation process -Leak prevention: treated with a special process to prevent air leaks, these inner tubes help maintain stable tire pressure for a better riding experience -Versatile compatibility: suitable for a wide range of mountain bikes, these inner tubes perform various terrains and conditions Package list: 2pcs x mountain tire inner tubes