Folks, was wondering if anyone could throw out the axle size of the front wheel? (i.e. 12mm?) I am doing research on the speedometer drive gear assembly.

I have a loud clanking in the front end, had to coast with power off to hear it correctly, I then detached the cable and rode a bit and seems to be something with this gear assembly. Not 100% at this time, still a bit more checking to do. Unfortunately the weather is a bit off today, and on the jack cannot bring her to speed by hand to hear anything. Anyway. Axle size anyone??? 12mm, 15mm thanks.