Flywheel ring gear holding tool for Moto Guzzi

1000 SP, 1000 DAYTONA, 1000 GT, 1000 S, 1000 SP II, 1000 SP III, 1000 STRADA, 1100 SPORT, 850 LE MANS, 850 LE MANS II, 850 LE MANS III, 850 T, 850 T3, 850 T4, 850 T5, CALIFORNIA 1000, CALIFORNIA 1100, CALIFORNIA C.I., CALIFORNIA CLASSIC, CALIFORNIA II 950, CALIFORNIA III, DAYTONA, LE MANS 1000, QUOTA 1000, QUOTA 1100, V10 CENTAURO, V1000 G5, V1000 IDROCONVERT