We developed the Ring version for all those who feel the power feel through the aluminum sockets isnīt enough. The ring has a larger bracket surface and gives optimal rim control. It gives you 100% contact to the brake drum. Suitable for tires sizes from 110ī80-10 to 130ī70-10. You can choose from a powder coated aluminum spacer ring or zinc steel. The spacer bush, nuts, high quality bolts, valve caps and all other necessary small parts.