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. SB70/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).