MOTO GUZZI Brembo Master Cylinder Rebuild Kit #24030

Moto Guzzi  850 T-3/1000,  850  Le Mans  Front Master Cylinder Rebuild Kit.  Brembo  Part #24030.  NOS  New Old Stock.   SB14/B

The OD of the piston measures 12.64 mm. The overhall length of it is 65.08 mm,  By those dimensions, this rebuild kit is for a 13 mm bore Master Cylinder. 

This rebuild kit is recommended for the single caliper (heavy weight or duel caliper light weight).