AFAM Staal standaard achtertandwiel 10109 420 Amount of teeth:33 teeth the Impact Energy Cells maximize the Impact Energy Cells maximize absorption of low speed linear and rotational impacts 2mm tube is hard anodized making it 3 to 4 times more wear resistant than conventional handlebar and are then hardened for a higher degree of hardness and a longer lifespan AFAM is a leading international player in the market for transmission parts for engines