Description If 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 wear-resistant rubber material, shockproof and anti-aging, and this bike inner tube has a long-lasting use. Features -Color:Black -Material:Rubber -Size:46.50X46.50X5.00cm/18.27X18.27X1.97in -Good material with good workmanship, not easy to wear and tear, very practical in use. -The inner tubes feature a better sealing performance, wear-resistance, anti-aging, absorption and electrical insulation merits. -The bike rubber tire tube replacement absorbs shocks on bump road for a comfort and riding. -Professional and practical bike inner tube, it is heat-resistant and stands wear and tear for daily use. -Proper size and lightweight, this cycling inner tube is convenient for you to install it. Good material with good workmanship, not easy to wear and tear, very practical in use. The inner tubes feature a better sealing performance, wear-resistance, anti-aging, absorption and electrical insulation merits. The bike rubber tire tube replacement absorbs shocks on bump road for a comfort and riding. Professional and practical bike inner tube, it is heat-resistant and stands wear and tear for daily use. Proper size and lightweight, this cycling inner tube is convenient for you to install it.