Tall teeth with alternating tooth profiles hold the chain amazingly well and still provide space for mud to clear. Full CNC AL rings. 73g. Item Specifications: Color, Silver/Black, Material, Aluminum, Chainring BCD, 110, Defined Color, Silver, Ring Position/TYPE, Chain Retaining Single Ring, Drivetrain Speeds, 10, Drivetrain Speeds, 11, Tooth Count, 42,.