DescriptionIf you are looking for a bike inner tube replacement for your bike, then you should take a look at our professional bike inner tube, made of premium rubber material, shockproof and anti-aging, and this bike inner tube has a long-lasting use.Features- Color: Black -Material:Butyl rubber - Size: 10.00X8.50X5.00cm/3.93X3.34X1.97in-This professional bike replacement inner tube is suitable for most road and mountain bikes. -It is simple in design, but very practical in use, which brings great convenience to you. -This bike inner tube is an essential tool for cycling enthusiasts. Also, a nice gift for them. -You can easily buy these practical bike inner tube kit at an affordable price. -This cycling inner tube is shock-absorption, which can give you a more comfortable riding experience.