Lucas RM21 Stator. This has a 10 amp output, single phase with two wires. Suitable for most BSA and Triumph trials machines and others. Capable of delivering up to 30volts and current up to 20 amps at speeds of up to 10,000 RPM.
(Please note, earlier Cubs had a 70mm rotor. This stator will not work with a 70 mm rotor, the later 74mm rotor is required)
The original Lucas part number is LU47205.