Review on 🚴 Michelin Airstop 700 x 18-25C 40mm Presta Valve Tube: High-Quality Cycling Inner Tube for Optimal Performance by Dennis Reed

I have been using these hoses for many years. The very first inner tubes I bought a few years ago are still in use and have never deflated, although I know I've jammed them a couple of times while mounting tires with tire changers. They are heavy and the valve body is unthreaded. These kids are good at holding air too - I inflate my tires to 120psi and after two weeks they only go down to 105-110psi. Overall, I highly recommend them for training and flat surface protection.