why cant i find optional gear threads?

[guapotaco]

i have searched(yes with search function) for 30 minutes now, i know i suck but give me the link before i commit suicide. i put in 20 different things and came up with nada
looking for the different R and P gear ratio threads etc...

[JeremyH]

http://www.rccrawler.com/forum/searc...archid=2852906

And here is the release announcement from Axial about these gears:

Optional Ratio Gear Sets