GU63751321 Front turn signal mount as used on California II. Also fits any of the wide front Tonti frame models such as 850T, 850T3, G5, Convert, etc. These turn signal mounts attach to the front of the bottom triple clamp. Hollow 10mm "stem" accepts standard CEV type turn signals with M10 x 1.25 threads. Includes nuts as shown. This item also used on Benelli 900cc Sei. Note:there are two small spacers (similar to a short stack of washers) used underneath the bracket that havebeen difficult to obtain, however a suitable substitute can be foundat a hardware store.