【Extended Compatibility】This mountain bike inner tube is compatible with many tyre sizes: 29 inch x 1.9 / 2.0 / 2.1 / 2.2 / 2.3 / 2.4 / 2.5 French valve length 45 mm
【TPU Technology】Our tubes are made with advanced TPU technology, which ensures excellent sealing, shock absorption and electrical insulation. Enhance your driving experience with superior performance and reliability.
【Ultralight Design】With a weight of only 63g, these TPU tubes significantly reduce the overall weight of the bicycle and allow faster acceleration and better performance on all types of routes.
【EXCELLENT DURABILITY】 Made with a special TPU material, our tubes offer greater puncture and wear resistance, doubling their life than traditional butyl rubber tubing.
【Buy with confidence】Our products have 12 months after-sales warranty, no matter if you have any problem, you can contact us at the first time, we will give you the most professional technical advice
【Attention】If the outer tyre is not fitted, the inner tire should not be over-inflated, otherwise irreversible damage may occur. 5 hpl too much cause irreparable bulge.
【Note】Lightly inflate the inner tube before fitting and check that there is no air leakage to make sure it is firmly connected to the inner wall of the tire when inflating and inflate 2 psi during assembly.