Designed for mountain biking enthusiasts, these inner tubes are crafted to fit 29-inch tires ideal. Made from durable materials, they ensure a smooth and reliable ride on various terrains. Whether you're tackling rugged trails or cruising on paved paths, these inner tubes provide the stability and performance you need for an enjoyable biking experience. Features -Color:Black -Material:Rubber,metal -Size:29.00X29.00X2.35cm/11.40X11.40X0.92in -Durable and reliable: made from selected materials, these inner tubes offer excellent wear resistance and puncture protection for use. -Strong stability: the welldesigned inner tubes provide stable support and good handling, making them suitable for various complex terrains. -Easy installation: standardsized inner tubes fit most 29inch mountain bike wheels, ensuring quick and sturdy installation. -Leakproof design: specially treated to prevent gas leakage, these inner tubes maintain stable tire pressure for a better riding experience. -Versatile use: suitable for various mountain bikes, these inner tubes can be used in different terrains and environments. Package list: 2pcs x mountain tire inner tubes