Epitomizes superior design and cutting edge materials, delivering the ultimate in tire support for electric mountain bikers \n Engineered to endure the significant impacts and stresses associated with EBike use, this insert ensures that cyclists can ride with confidence, no matter the obstacles they might face \n In case of a puncture, you can ride up to 50km in runflat mode. You can get home easily and repair the damage in a later moment \n Cornering support increased \n Valve included