AFAM Staal zelfreinigend voortandwiel 24305 520 Amount of teeth:13 teeth 520VX3 chain: The VX series 520VX3 chain: The VX series chain is a great chain upgrade from the original equipment manufacturer and our most popular and widely used chain for street and off road bikes • Easy knockout ends to accommodate Full Wrap handguards Due to the high quality of their gears Mud repellent steel gear