Flywheel -BGM PRO TOURING 2.0 Electronic 1600g- Vespa Smallframe V50, 50N, Spezial, SR50, Sprinter, SS50, SS90, V90, 90 Racer, V100, ET3, PV, PK S - Small Cone (19mm, Flywheel Nut M10)) - Used For Conversion To Electronic Ignition