Tyreinvader is an anti-pinch-flat insert for tubeless tires. Very simple to use and light, it saves your tires and rims from hard impacts without interfering with the way your wheels behave. - Very light weight and high durability - Premium material (high density EVA) absorbs shocks but not sealant - Can be easily adapted to common wheel diameters - No need for specific tubeless valves Size: - 35: Rim external width 18-25mm - 40: Rim external width 20-25mm - 50: Rim external width 22-28mm - 55: Rim external width 27-35mm - 60: Rim external width 34-50mm