27 Tooth x RP1224 Centre Guide Inverted Tooth Plate Sprocket Taperlock 4040 FHT (on gear cutter)
27 Tooth x RP1224 Centre Guide Inverted Tooth Plate Sprocket Taperlock 4040 FHT & 57 Tooth x RP1224 Centre Guide Double Step Central Boss Inverted Tooth Sprocket