12mm Brembo PS12 master cylinder repair kit. Fits round reservior hand brake master cylinders from 1975 to approximately 1984. This hand master cylinder is generally identified by a white plastic reservoir. Brembo number 110279720
850T3, S3, T4, most Convert, 850 LeMans, LeMans II, CX100, G5, SP1000, V50, V50 II, California II, LeMans III, V50 III, Monza, V65C, V65 SP.
Also used on Benelli 900 SEI, and other Benelli and Ducati models.