Stans no tubes flow mk3 mtb rimthe flow mk3 is wider stronger and lighter the flows legendary history on the world cup dh circuit combined with stans wideright 29mm internal width offers the perfect balance of tyre stability for outstanding control at any speed genuine bead socket technology rolls faster corners harder and withstands even bigger hits the flow mk3 is born and bred for control at speed and perfect for technical trails and enduro racing laterally stiffer and more durable