- Felix Prangenberg signature sprocket - Material: full CNC 6061-T6 alloy - Thickness: 8mm - Sizes: 25t, 28t - super thick strong sprocket with unique desIgn - 9 rotation points for longer life - sunken adapters for perfect chain line - made to fit directly on to a 24mm crank spindle, includes adapters for 19mm and 22mm spindles - 104g (25t)
