FSA Afterburner Modular 1X BB392EVO Crankset 175mm 30T Convertible spider design for different chainring and chain line configurations Thick-Thin tooth design for maximum chain engagement Hollow forged AL7050 crank arms 24mm chromoly spindle Direct mount forged then CNC machined AL7075 chainring Fits Shimano and SRAM 11-12 speed system Available spare chainrings - 38T, 36T, 34T, 30T, 28T Bead blasted black with polished anodized black arms CNC detailed, bead blasted anodized black DM chainring Color graphics - 2 tone black approx WEIGHT 695 grams
